APA (7. basım) Alıntı

CIRCA Reference (Firm) & East, R. (1990). World fact file. Facts on File.

Chicago Style (17. basım) Atıf

CIRCA Reference (Firm) ve Roger East. World Fact File. New York: Facts on File, 1990.

MLA (9th ed.) Atıf

CIRCA Reference (Firm) ve Roger East. World Fact File. Facts on File, 1990.