德里地鐵機場快線 (Chinese Wikipedia)

HCC-led JV bags Rs 774.64 cr Delhi Metro order. Economictimes.indiatimes.com (Economic Times). 2007-09-24 [2011-10-24]. （原始内容存档于2019-08-18）（英语）.
Banerjee, Rumu. Airport Metro Express line flaws worse than thought. The Times Of India. 2012-07-17 [2017-11-30]. （原始内容存档于2019-11-02）（英语）.

intoday.in

indiatoday.intoday.in

Delhi Metro adds 2 new stations on Airport Line on Independence Day. India Today. 2011-08-15 [2011-08-15]. （原始内容存档于2015-03-21）（英语）.

netindian.in

Delhi Metro's airport route to get international look with sleek blue parapet. NetIndian. 2010-02-14 [2014-03-02]. （原始内容存档于2020-09-27）（英语）.
Delhi Metro's airport route to get international look with sleek blue parapet. netindian. 2010-02-14 [2010-06-25]. （原始内容存档于2020-09-27）（英语）.
Delhi Metro's Airport Express line finally opens for public. Netindian. 2011-02-23 [2011-02-23]. （原始内容存档于2019-08-23）（英语）.

projectsinfo.in

New metro line from New Delhi to airport built with intl standards. Projects info. [2011-11-25] （英语）. ^{[永久失效連結]}

railway-technology.com

Delhi Metro Rail System in India. Railway-Technology. [2017-06-25]. （原始内容存档于2021-01-20）（英语）.

railwaygazette.com

Delhi Airport Express rail link opens. Railway Gazette. 2011-02-24 [2011-10-24]. （原始内容存档于2020-09-26）（英语）.
Delhi awards airport rail link PPP contract. Railway Gazette. 2008-01-23 [2008-01-23]. （原始内容存档于2019-11-30）（英语）.

thaindian.com

Delhi Metro using special extra-long girders for airport stretch. Thai Indian. 2009-01-10 [2009-01-10]. （原始内容存档于2018-01-03）（英语）.

thecityfix.com

Delhi Gets a Metro Line for the Airport. The city fix. 2011-03-14 [2011-03-14]. （原始内容存档于2021-01-21）（英语）.

thehindu.com

Airport to be 20 minutes from Connaught Place from Wednesday. The Hindu (Chennai, India). 2011-02-21 [2017-11-30]. （原始内容存档于2011-09-28）（英语）.
Delhi Metro takes over operations of Airport Express Line. Chennai, India: The Hindu. 2013-07-01 [2013-07-05]. （原始内容存档于2013-07-04）（英语）.
New technology for faster travel at the Metro Airport Express Link. Chennai, India: The Hindu. 2009-08-28 [2009-08-28]. （原始内容存档于2012-07-04）（英语）.

thehindubusinessline.com

Delhi Airport Metro Express to resume services in two months. Business Line. 2012-07-07 [2014-10-24]. （原始内容存档于2012-11-15）（英语）.

themetrorailguy.com

Delhi Metro Phase 2 – Information & Map. The metro rail guy. 2016-06-15 [2017-02-20]. （原始内容存档于2021-01-17）（英语）.

transportweekly.com

Siemens to equip new metro link to New Delhi airport. Transport weekly. 2009-05-15 [2009-05-15]. （原始内容存档于2016-10-21）（英语）.

web.archive.org

Delhi Metro's airport route to get international look with sleek blue parapet. NetIndian. 2010-02-14 [2014-03-02]. （原始内容存档于2020-09-27）（英语）.
Metro's airport express line ridership crosses 50,000. 2016-08-13 [2016-09-30]. （原始内容存档于2019-11-30）（英语）.
Lalchandani, Neha. Metro's IGI line delayed, will open by mid-Nov. The Times of India. 2010-10-26 [2010-11-01]. （原始内容存档于2019-08-19）（英语）.
Airport to be 20 minutes from Connaught Place from Wednesday. The Hindu (Chennai, India). 2011-02-21 [2017-11-30]. （原始内容存档于2011-09-28）（英语）.
Delhi Airport Express rail link opens. Railway Gazette. 2011-02-24 [2011-10-24]. （原始内容存档于2020-09-26）（英语）.
Delhi Airport Express Line Takeover by Delhi Metro Railway Corporation (PDF). dhirassociates.com. [2017-11-30]. （原始内容存档 (PDF)于2019-07-13）（英语）.
Rel Infra raises funds for Delhi Airport Express railway line. The Financial Express（英语：The Financial Express (India)）. 2009-03-25 [2010-06-25]. （原始内容存档于2014-03-31）（英语）.
Airport line handed over to Reliance Infra. Indian Express. 2010-05-20 [2010-06-05]. （原始内容存档于2010-09-05）（英语）.
Delhi Metro's airport route to get international look with sleek blue parapet. netindian. 2010-02-14 [2010-06-25]. （原始内容存档于2020-09-27）（英语）.
Delhi Metro using special extra-long girders for airport stretch. Thai Indian. 2009-01-10 [2009-01-10]. （原始内容存档于2018-01-03）（英语）.
Delhi Airport Metro Express back on track. Financialexpress.com. [2013-08-20]. （原始内容存档于2013-05-15）（英语）.
Delhi Metro takes over operations of Airport Express Line. Chennai, India: The Hindu. 2013-07-01 [2013-07-05]. （原始内容存档于2013-07-04）（英语）.
Back on track: The story of Airport Express metro line’s turnaround. Hindustan Times. 2016-08-19 [2016-08-19]. （原始内容存档于2019-12-03）（英语）.
Airport Metro sees 30% rise in ridership after fare reduction. Business Standard. 2015-01-01 [2015-01-19]. （原始内容存档于2015-01-07）（英语）.
HCC-led JV bags Rs 774.64 cr Delhi Metro order. Economictimes.indiatimes.com (Economic Times). 2007-09-24 [2011-10-24]. （原始内容存档于2019-08-18）（英语）.
Delhi awards airport rail link PPP contract. Railway Gazette. 2008-01-23 [2008-01-23]. （原始内容存档于2019-11-30）（英语）.
Delhi Metro to reach highest point in Dhaula Kuan. The Times Of India. 2009-06-08 [2010-06-25]. （原始内容存档于2019-10-29）（英语）.
The passenger operation on the Airport Express line starts on the 23rd of February, 2011. Delhimetrorail.com. [2011-10-24]. （原始内容存档于2011-02-25）（英语）.
Airport line clears fire hurdle, now for safety nod. Indianexpress.com. 2010-11-30 [2011-10-24]. （原始内容存档于2011-02-09）（英语）.
Delhi Metro adds 2 new stations on Airport Line on Independence Day. India Today. 2011-08-15 [2011-08-15]. （原始内容存档于2015-03-21）（英语）.
Delhi Airport Metro Express to resume services in two months. Business Line. 2012-07-07 [2014-10-24]. （原始内容存档于2012-11-15）（英语）.
High-speed derailment. Down To Earth. 2012-09-30 [2014-10-24]. （原始内容存档于2013-05-26）（英语）.
Banerjee, Rumu. Airport Metro Express line flaws worse than thought. The Times Of India. 2012-07-17 [2017-11-30]. （原始内容存档于2019-11-02）（英语）.
Fares on Airport Express Line To be Reduced From 24th July 2014. DMRC. 2014-07-24 [2014-07-24]. （原始内容存档于2020-01-11）（英语）.
IGI Metro to chug into Dwarka Sector 25. Times of India. 2017-07-09 [2017-07-09]. （原始内容存档于2019-09-28）（英语）.
Delhi Metro Phase 2 – Information & Map. The metro rail guy. 2016-06-15 [2017-02-20]. （原始内容存档于2021-01-17）（英语）.
Delhi Gets a Metro Line for the Airport. The city fix. 2011-03-14 [2011-03-14]. （原始内容存档于2021-01-21）（英语）.
Delhi Metro Airport Express Line, New Delhi Railway Station to IGI Airport Metro. Delhi Capital. [2014-06-20]. （原始内容存档于2011-12-01）（英语）.
Delhi Metro fare hike: Here’s how much you have to pay now. Indian Express. 2017-10-17 [2017-10-17]. （原始内容存档于2020-02-25）（英语）.
DMRC : Airport Express Line. DMRC. [2017-10-24]. （原始内容存档于2020-12-05）（英语）.
Siemens to equip new metro link to New Delhi airport. Transport weekly. 2009-05-15 [2009-05-15]. （原始内容存档于2016-10-21）（英语）.
Metro train to Delhi airport soon, tests to start. The Times of India. 2010-04-27 [2010-06-25]. （原始内容存档于2010-05-04）（英语）.
Delhi Metro Rail System in India. Railway-Technology. [2017-06-25]. （原始内容存档于2021-01-20）（英语）.
New technology for faster travel at the Metro Airport Express Link. Chennai, India: The Hindu. 2009-08-28 [2009-08-28]. （原始内容存档于2012-07-04）（英语）.
Delhi Metro's Airport Express line finally opens for public. Netindian. 2011-02-23 [2011-02-23]. （原始内容存档于2019-08-23）（英语）.
Subhendu Ray. Easy ride for disabled in Metro. Hindustan Times. 2010-08-17 [2010-08-17]. （原始内容存档于2019-12-02）（英语）.
Reliance Metro Airport Express Goes WiFi with YOU Broadband. Business wire india. 2012-01-23 [2012-01-28]. （原始内容存档于2014-02-17）（英语）.

wikipedia.org

en.wikipedia.org

Rel Infra raises funds for Delhi Airport Express railway line. The Financial Express（英语：The Financial Express (India)）. 2009-03-25 [2010-06-25]. （原始内容存档于2014-03-31）（英语）.