Chossière, Guillaume P; Malina, Robert; Ashok, Akshay; Dedoussi, Irene C; Eastham, Sebastian D; Speth, Raymond L; Barrett, Steven R H (1 March 2017). "Public health impacts of excess NO x emissions from Volkswagen diesel passenger vehicles in Germany". Environmental Research Letters12 (3): 034014. doi:10.1088/1748-9326/aa5987. ISSN1748-9326.
„Fuel Economy of New Diesel Cars“. Fueleconomy.gov. United States Environmental Protection Agency (2012). 2013-yil 17-yanvarda asl nusxadan arxivlangan. Qaraldi: 2012-yil 5-dekabr.
Walton.„Lola Super Vee“. MotorSport Magazine. MotorSport Archive (1977-yil yanvar). — „SuperVee, which amounted to building a much more recognisable racing car, without the inclusion of so many standard VW parts, had its first Championship year in 1971, both America and Europe organising lucrative series with VW backing.“. 2015-yil 16-aprelda asl nusxadan arxivlangan. Qaraldi: 2019-yil 24-yanvar.
„Fuel Economy of New Diesel Cars“. Fueleconomy.gov. United States Environmental Protection Agency (2012). 2013-yil 17-yanvarda asl nusxadan arxivlangan. Qaraldi: 2012-yil 5-dekabr.
Walton.„Lola Super Vee“. MotorSport Magazine. MotorSport Archive (1977-yil yanvar). — „SuperVee, which amounted to building a much more recognisable racing car, without the inclusion of so many standard VW parts, had its first Championship year in 1971, both America and Europe organising lucrative series with VW backing.“. 2015-yil 16-aprelda asl nusxadan arxivlangan. Qaraldi: 2019-yil 24-yanvar.
Chossière, Guillaume P; Malina, Robert; Ashok, Akshay; Dedoussi, Irene C; Eastham, Sebastian D; Speth, Raymond L; Barrett, Steven R H (1 March 2017). "Public health impacts of excess NO x emissions from Volkswagen diesel passenger vehicles in Germany". Environmental Research Letters12 (3): 034014. doi:10.1088/1748-9326/aa5987. ISSN1748-9326.