Citazione Stile APA (7a Edizione)

Oyaya, E., & Ogagul, M. (2024). Secondary geography (First published 1987, sixth edition.). KLB, Kenya Literature Bureau, Publishers and Printers.

Citazione stile Chigago Style (17a edizione)

Oyaya, Enos, e Michael Ogagul. Secondary Geography. First published 1987, sixth edition. Nairobi: KLB, Kenya Literature Bureau, Publishers and Printers, 2024.

Citatione MLA (9a ed.)

Oyaya, Enos, e Michael Ogagul. Secondary Geography. First published 1987, sixth edition. KLB, Kenya Literature Bureau, Publishers and Printers, 2024.