Engstler Motorsport (English Wikipedia)

Sulka, Mike (14 November 2009). "Liqui Moly Add Three Locals In Macau". PaddockTalk.com. Paddock Talk. Archived from the original on 31 January 2013. Retrieved 19 March 2013.
Hudson, Neil (16 July 2010). "Tim Coronel replaces Romanov for Brands Hatch". TouringCarTimes. Mediaempire Stockholm AB. Archived from the original on 24 May 2012. Retrieved 19 March 2013.
Abbott, Andrew (27 February 2012). "Full season for Charles Ng". Touring-Cars.net. Andrew Abbott. Archived from the original on 8 December 2012. Retrieved 19 March 2013.
Hudson, Neil (24 October 2012). "Liu Lic Ka to drive for Engstler at Shanghai". TouringCarTimes. Mediaempire Stockholm AB. Archived from the original on 8 December 2012. Retrieved 21 March 2013.
Meissner, Johan (29 August 2012). "Engstler set to run third BMW in Asian races". TouringCarTimes. Mediaempire Stockholm AB. Archived from the original on 16 December 2012. Retrieved 21 March 2013.

autosport.com

Engstler, Franz. "Liebe Partner, Freunde und Sponsoren" [Dear partners, friends and sponsors]. Engstler Motorsport (in German). Engstler Motorsport GmBH. Retrieved 19 March 2013.

"Engstler and Ng to team up again". World Touring Car Championship. Kigema Sport Organisation. Archived from the original on 19 January 2013. Retrieved 19 March 2013.

Ferret, Olivier (29 August 2012). "Team Engstler to run 3rd car in Asia". NextGen-Auto.com. NextGen-Auto. Retrieved 21 March 2013.

Sulka, Mike (14 November 2009). "Liqui Moly Add Three Locals In Macau". PaddockTalk.com. Paddock Talk. Archived from the original on 31 January 2013. Retrieved 19 March 2013.

Allen, Peter (31 July 2011). "Engstler Takes First WTCC Win At Home To End Chevrolet Run". The Checkered Flag. BlackEagleMedia Network. Retrieved 21 March 2013.
Allen, Peter (5 October 2011). "Charles Ng Joins Engstler For Asian WTCC Rounds". The Checkered Flag. BlackEagleMedia Network. Retrieved 22 March 2013.

Abbott, Andrew (27 February 2012). "Full season for Charles Ng". Touring-Cars.net. Andrew Abbott. Archived from the original on 8 December 2012. Retrieved 19 March 2013.

Vind, Aslak (10 December 2008). "Kristian Poulsen to do full season in 2009". TouringCarTimes. Mediaempire Stockholm AB. Retrieved 22 March 2009.
Hudson, Neil (16 July 2010). "Tim Coronel replaces Romanov for Brands Hatch". TouringCarTimes. Mediaempire Stockholm AB. Archived from the original on 24 May 2012. Retrieved 19 March 2013.
Meissner, Johan (14 September 2010). "Two Japanese drivers join Engstler". TouringCarTimes. Mediaempire Stockholm AB. Retrieved 19 March 2013.
Hudson, Neil (30 October 2011). "Fabio Fabiani moves across to Engstler BMW". TouringCarTimes. Mediaempire Stockholm AB. Retrieved 22 March 2013.
Hudson, Neil (6 November 2011). "Engstler secure first independent teams' title". TouringCarTimes. Mediaempire Stockholm AB. Retrieved 22 March 2013.
Hudson, Neil (24 October 2012). "Liu Lic Ka to drive for Engstler at Shanghai". TouringCarTimes. Mediaempire Stockholm AB. Archived from the original on 8 December 2012. Retrieved 21 March 2013.
Meissner, Johan (29 August 2012). "Engstler set to run third BMW in Asian races". TouringCarTimes. Mediaempire Stockholm AB. Archived from the original on 16 December 2012. Retrieved 21 March 2013.

[1] 2008 Independent's Trophy Standings
Ravaioli, Fabio (10 July 2009). "Philip Geipel in third Engstler car in Brands Hatch and Oschersleben". automobilsport.com. automobilsport.com. Archived from the original on September 3, 2009. Retrieved 19 March 2013.{{cite news}}: CS1 maint: unfit URL (link)
"FIA WTCC – Guia Race of Macau - Presented by "SJM" - Provisional Entry List". macau.grandprix.gov.mo. Macau Grand Prix. 6 October 2011. Archived from the original on 17 January 2012. Retrieved 22 March 2013.
"Engstler and Ng to team up again". World Touring Car Championship. Kigema Sport Organisation. Archived from the original on 19 January 2013. Retrieved 19 March 2013.