(1981). Lands and peoples. Grolier.
Cita Chicago (17th ed.)Lands and Peoples. Danbury, Conn: Grolier, 1981.
Cita MLA (9th ed.)Lands and Peoples. Grolier, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)