Cita APA (7th ed.)

Ryrie, W. (1999). First World, Third World (2.). Macmillan Press limited.

Cita Chicago (17th ed.)

Ryrie, Willaim. First World, Third World. 2. London: Macmillan Press limited, 1999.

Cita MLA (9th ed.)

Ryrie, Willaim. First World, Third World. 2. Macmillan Press limited, 1999.