APA استشهاد

Singh, U. K. (2012). Encyclopaedia of social thinkers. ABD Publishers.

استشهاد بنمط شيكاغو

Singh, Upendra Kumar. Encyclopaedia of Social Thinkers. New Delhi: ABD Publishers, 2012.

MLA استشهاد

Singh, Upendra Kumar. Encyclopaedia of Social Thinkers. ABD Publishers, 2012.