APA ציטוט

Hartshorn, J. E. (1962). Oil Companies and Governments. London: Faber and Faber.

Trích dẫn kiểu Chicago

Hartshorn, J. E. Oil Companies and Governments. London: Faber and Faber, 1962.

ציטוט MLA

Hartshorn, J. E. Oil Companies and Governments. London: Faber and Faber, 1962.