Oyaya, E., & Ogagul, M. (2024). Secondary geography (First published 1987, sixth edition.). KLB, Kenya Literature Bureau, Publishers and Printers.
Chicago-Zitierstil (17. Ausg.)Oyaya, Enos, und Michael Ogagul. Secondary Geography. First published 1987, sixth edition. Nairobi: KLB, Kenya Literature Bureau, Publishers and Printers, 2024.
MLA-Zitierstil (9. Ausg.)Oyaya, Enos, und Michael Ogagul. Secondary Geography. First published 1987, sixth edition. KLB, Kenya Literature Bureau, Publishers and Printers, 2024.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.