APA ציטוט

Franko, L. G. (1975). The petroleum industry in Western Europe: A guide to information sources. London: Macmillan.

Trích dẫn kiểu Chicago

Franko, Lawrence G. The Petroleum Industry in Western Europe: A Guide to Information Sources. London: Macmillan, 1975.

ציטוט MLA

Franko, Lawrence G. The Petroleum Industry in Western Europe: A Guide to Information Sources. London: Macmillan, 1975.