Wright, R. T., & Nobel , B. J. (2002). Environmental science: Toward a sustainable future (8th ed.). Prenticehall of India.
Chicago Edition CitationWright, Richard T., i Bernard J. Nobel. Environmental Science: Toward a Sustainable Future. 8th ed. New Delhi: Prenticehall of India, 2002.
Cita MLAWright, Richard T., i Bernard J. Nobel. Environmental Science: Toward a Sustainable Future. 8th ed. Prenticehall of India, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.