APA استشهاد

N.K. Malhotra. (2007). Environmental psychology: Principles and practices. Sumit.

استشهاد بنمط شيكاغو

N.K. Malhotra. Environmental Psychology: Principles and Practices. New Delhi: Sumit, 2007.

MLA استشهاد

N.K. Malhotra. Environmental Psychology: Principles and Practices. Sumit, 2007.