Cita APA (7a ed.)
Bekele, S., & Holden, S. (1999). Soil erosion and smallholders' conservation decisions in the highlands of Ethiopia. Elsevier.
Cita Chicago Style (17a ed.)
Bekele, Shiferaw, y Stein Holden. Soil Erosion and Smallholders' Conservation Decisions in the Highlands of Ethiopia. Elsevier, 1999.
Cita MLA (9a ed.)
Bekele, Shiferaw, y Stein Holden. Soil Erosion and Smallholders' Conservation Decisions in the Highlands of Ethiopia. Elsevier, 1999.
Precaución: Estas citas no son 100% exactas.