APA استشهاد

Singh, L. (1981). New perspectives in geography. Thinker's Library.

استشهاد بنمط شيكاغو

Singh, L.R. New Perspectives in Geography. Allahabad: Thinker's Library, 1981.

MLA استشهاد

Singh, L.R. New Perspectives in Geography. Thinker's Library, 1981.