APA aipamena

Halliday,Fred. (1975). Arabia without Sultans. Penguin.

Chicago Style aipamena

Halliday,Fred. Arabia Without Sultans. England: Penguin, 1975.

MLA aipamena

Halliday,Fred. Arabia Without Sultans. Penguin, 1975.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.