APA
East African Common Services Organization, East African Statistical Department, . (1963). The gross domestic product of the Protectorate of Zanzibar, 1957-196 1. Nairobi: East African Statistical Department.
Chicago
East African Common Services Organization, East African Statistical Department, . 1963. The gross domestic product of the Protectorate of Zanzibar, 1957-196 1. Nairobi: East African Statistical Department.
Harvard
East African Common Services Organization, East African Statistical Department, . (1963). The gross domestic product of the Protectorate of Zanzibar, 1957-196 1. Nairobi: East African Statistical Department.
MLA
East African Common Services Organization, East African Statistical Department, . The gross domestic product of the Protectorate of Zanzibar, 1957-196 1. Nairobi: East African Statistical Department. 1963.