Cita APA

Sampson, A. (1975). The Seven Sisters: The greate oil companies and the world they made. London: Hodder and Stoughton.

Citación estilo Chicago

Sampson, Anthony. The Seven Sisters: The Greate Oil Companies and the World They Made. London: Hodder and Stoughton, 1975.

Cita MLA

Sampson, Anthony. The Seven Sisters: The Greate Oil Companies and the World They Made. London: Hodder and Stoughton, 1975.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.