APA (7th ed.) Zitazioa

Sheriff, A. (1990). Slaves, spices and ivory in Zanzibar. Tanzania publ..

Chicago Style (17th ed.) Zitazioa

Sheriff, Abdul. Slaves, Spices and Ivory in Zanzibar. Tanzania: Tanzania publ., 1990.

MLA (9th ed.) Zitazioa

Sheriff, Abdul. Slaves, Spices and Ivory in Zanzibar. Tanzania publ., 1990.