Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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