APA-viite (7. p.)

Kumar, A. (1979). Geomorphology of Simdega and its adjoining area, Bihar. National Geographical Society of India.

Chicago-viite (17. p.)

Kumar, Anil. Geomorphology of Simdega and Its Adjoining Area, Bihar. Varanasi: National Geographical Society of India, 1979.

MLA-viite (8. p.)

Kumar, Anil. Geomorphology of Simdega and Its Adjoining Area, Bihar. National Geographical Society of India, 1979.