APA ציטוט

Unesco. (1973). Irrigation, drainage and salinity: An international source book. Paris : Unesco.

Chicago Style (17th ed.) Citation

Unesco. Irrigation, Drainage and Salinity: An International Source Book. Paris : Unesco, 1973.

ציטוט MLA

Unesco. Irrigation, Drainage and Salinity: An International Source Book. Paris : Unesco, 1973.