(2008). Gazprom. Annual report 2007. Москва, Gazprom, 2008.
Cita Chicago (17th ed.)Gazprom. Annual Report 2007. Москва, Gazprom, 2008, 2008.
Cita MLA (9th ed.)Gazprom. Annual Report 2007. Москва, Gazprom, 2008, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.