Enger, E. D. (1997). Environmental science: A study of interrelationships. Boston, Massachusetts: WCB/McGraw-Hill.
Chicago-стиль цитированияEnger, Eldon D. Environmental Science: A Study of Interrelationships. Boston, Massachusetts: WCB/McGraw-Hill, 1997.
MLA-цитированиеEnger, Eldon D. Environmental Science: A Study of Interrelationships. Boston, Massachusetts: WCB/McGraw-Hill, 1997.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.