Cita APA (7a ed.)
Haileslassie, A., Hagos, F., Awulachew, S. B., Peden, D. G., Gebreselassie, S., & Negash, F. (2008). Indicators of environmental degradation in the Blue Nile Basin: Exploring prospects for payment for environmental services.
Cita Chicago Style (17a ed.)
Haileslassie, Amare, Fitsum Hagos, Seleshi Bekele Awulachew, Donald G. Peden, S. Gebreselassie, y F. Negash. Indicators of Environmental Degradation in the Blue Nile Basin: Exploring Prospects for Payment for Environmental Services. 2008.
Cita MLA (9a ed.)
Haileslassie, Amare, et al. Indicators of Environmental Degradation in the Blue Nile Basin: Exploring Prospects for Payment for Environmental Services. 2008.
Precaución: Estas citas no son 100% exactas.