Gaya APA

Loucks, D, P., Beek, E, V. (2016). Water Resource Systems Planning And Management : An Introduction To Methods, Models, And Applications . New York: Deltares dan UNESCO-IHE.

Gaya MLA

Loucks, Daniel, P.., Beek, Eelco, Van. "Water Resource Systems Planning And Management : An Introduction To Methods, Models, And Applications". New York: Deltares dan UNESCO-IHE, 2016. Text.