Cunningham, W. P. (2004). Principles of Environmental Science: Inquiry and Applicaions. McGraw-Hill Higher Education, Boston.
Цитирование в стиле Чикаго (17-е изд.)Cunningham, William P. Principles of Environmental Science: Inquiry and Applicaions. New York: McGraw-Hill Higher Education, Boston, 2004.
Цитирование MLA (9-е изд.)Cunningham, William P. Principles of Environmental Science: Inquiry and Applicaions. McGraw-Hill Higher Education, Boston, 2004.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.