Cita APA (7th ed.)
Gasoline Service Stations Industry Yearbook. Global Insight, Inc.
Cita Chicago (17th ed.)
Gasoline Service Stations Industry Yearbook. Global Insight, Inc.
Cita MLA (9th ed.)
Gasoline Service Stations Industry Yearbook. Global Insight, Inc.
Atenció: Aquestes cites poden no estar 100% correctes.