Cita APA (7th ed.)
(1990). The Europa world year book 1990: Vol. 2 Kenya-Zimbabwe (31st ed.). Europa Publications.
Cita Chicago (17th ed.)
The Europa World Year Book 1990: Vol. 2 Kenya-Zimbabwe. 31st ed. Bedford Square, London: Europa Publications, 1990.
Cita MLA (9th ed.)
The Europa World Year Book 1990: Vol. 2 Kenya-Zimbabwe. 31st ed. Europa Publications, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.