Gaya APA

Howard, W. et al (2008). Hydrological Modelling in Arid and Semi Arid Areas (E-Book) . United States of America: Cambridge University Press.

Gaya MLA

Howard, Wheater.. et al. "Hydrological Modelling in Arid and Semi Arid Areas (E-Book)". United States of America: Cambridge University Press, 2008. E-book.