Cita APA (7a ed.)

Katzao, J. J. (1993). Understanding history: Namibian junior secondary textbook. Longman Namibia.

Cita Chicago Style (17a ed.)

Katzao, John J. Understanding History: Namibian Junior Secondary Textbook. Windhoek: Longman Namibia, 1993.

Cita MLA (9a ed.)

Katzao, John J. Understanding History: Namibian Junior Secondary Textbook. Longman Namibia, 1993.