Cita APA (7a ed.)

Gobaw, G., Bekele, S., & Shankar Sharma, H. (2007). Geography: Grade .. (Second Edition 2007.). Aster Nega Publishing Enterprise.

Cita Chicago Style (17a ed.)

Gobaw, Gashaw, Solomon Bekele, y Hari Shankar Sharma. Geography: Grade .. Second Edition 2007. Addis Ababa: Aster Nega Publishing Enterprise, 2007.

Cita MLA (9a ed.)

Gobaw, Gashaw, et al. Geography: Grade .. Second Edition 2007. Aster Nega Publishing Enterprise, 2007.