APA সাইটেশন

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

শিকাগো স্টাইলে সাইটেশন

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

এমএলএ সাইটেশন

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