APA Alıntı

Gangstad, E. (1990). Natural resourse management of water and land. Van Nostrand Reinhold Company.

Chicago Stili Alıntı

Gangstad, Edwardo. Natural Resourse Management of Water and Land. New York: Van Nostrand Reinhold Company, 1990.

MLA Alıntı

Gangstad, Edwardo. Natural Resourse Management of Water and Land. Van Nostrand Reinhold Company, 1990.