APA aipamena

(1979). Land and water development (Selected literature 1977). The Netherland: IRLI.

Chicago Style aipamena

Land and Water Development (Selected Literature 1977). The Netherland: IRLI, 1979.

MLA aipamena

Land and Water Development (Selected Literature 1977). The Netherland: IRLI, 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.