APA citiranje

Gertenfeld, M. (1961). West Europe's petrochemical industry in the seventies. France: Sóciété Générale.

Trích dẫn kiểu Chicago

Gertenfeld, M. West Europe's Petrochemical Industry in the Seventies. France: Sóciété Générale, 1961.

MLA citiranje

Gertenfeld, M. West Europe's Petrochemical Industry in the Seventies. France: Sóciété Générale, 1961.

Opozorilo: Ti citati niso vedno 100% točni.