APA引文

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

Chicago Edition Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.