Gangstad, E. O. (1990). Natural resource management of water and land.
Chicago Edition CitationGangstad, Edward O. Natural Resource Management of Water and Land. Van Nostrand Reinhold Co., New York, 1990.
Cita MLAGangstad, Edward O. Natural Resource Management of Water and Land. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.