Sheriff, A. (1990). Slaves, spices and ivory in Zanzibar. Tanzania publ..
Chicagoスタイル(17版)引用形式Sheriff, Abdul. Slaves, Spices and Ivory in Zanzibar. Tanzania: Tanzania publ., 1990.
MLA(9版)引用形式Sheriff, Abdul. Slaves, Spices and Ivory in Zanzibar. Tanzania publ., 1990.
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