Gaya APA

Douglas, I., Haile, A, T. (2010). Rainfall variability and estimation for hydrologic modeling: a remote sensing based study at the source basin of the upper blue nile river . Enschade: ITC.

Gaya MLA

Douglas, Ian., Haile, Alemseged, Tamiru. "Rainfall variability and estimation for hydrologic modeling: a remote sensing based study at the source basin of the upper blue nile river". Enschade: ITC, 2010. Text.