Cita APA (7a ed.)

Schodt, D. W. The Ecuadorian Petroleum Sector during the Petroleum period: 1972-1983.

Cita Chicago Style (17a ed.)

Schodt, David W. The Ecuadorian Petroleum Sector During the Petroleum Period: 1972-1983.

Cita MLA (9a ed.)

Schodt, David W. The Ecuadorian Petroleum Sector During the Petroleum Period: 1972-1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.