Cita APA (7a ed.)

Butt, S. A. (1985). Essentials of commerce in East Africa (5th ed.). Cassell publishing limited.

Cita Chicago Style (17a ed.)

Butt, Safdar Ali. Essentials of Commerce in East Africa. 5th ed. London: Cassell publishing limited, 1985.

Cita MLA (9a ed.)

Butt, Safdar Ali. Essentials of Commerce in East Africa. 5th ed. Cassell publishing limited, 1985.