APA استشهاد

Vicker, R. (1974). kingdom of oil: The middle east. Robert Hale.

استشهاد بنمط شيكاغو

Vicker, Ray. Kingdom of Oil: The Middle East. London: Robert Hale, 1974.

MLA استشهاد

Vicker, Ray. Kingdom of Oil: The Middle East. Robert Hale, 1974.