Cita APA (7th ed.)

Hobday, P. (1978). Saudi Arabia today: An introduction to the richest oil power. Macmillan.

Cita Chicago (17th ed.)

Hobday, Peter. Saudi Arabia Today: An Introduction to the Richest Oil Power. London: Macmillan, 1978.

Cita MLA (9th ed.)

Hobday, Peter. Saudi Arabia Today: An Introduction to the Richest Oil Power. Macmillan, 1978.