APA استشهاد

Wright, R. T., & Boorse, D. F. (2011). Environmental science: Towards a sustainable future (11th.). PHI Learning.

استشهاد بنمط شيكاغو

Wright, Richard T., و Dorothy F. Boorse. Environmental Science: Towards a Sustainable Future. 11th. New Delhi: PHI Learning, 2011.

MLA استشهاد

Wright, Richard T., و Dorothy F. Boorse. Environmental Science: Towards a Sustainable Future. 11th. PHI Learning, 2011.