Citazione APA

Wright, R. T., & Nobel , B. J. (2002). Environmental science: Toward a sustainable future (8th ed.). Prenticehall of India.

Stile di citazione Chicago

Wright, Richard T., e Bernard J. Nobel. Environmental Science: Toward a Sustainable Future. 8th ed. New Delhi: Prenticehall of India, 2002.

Citazione MLA

Wright, Richard T., e Bernard J. Nobel. Environmental Science: Toward a Sustainable Future. 8th ed. Prenticehall of India, 2002.