APA-čujuhus (7. p.)

Edited by Sinha, V. N. P. (1980). Recent trends and concepts in geography. Concept.

Chicago-čujuhus (17. p.)

Edited by Sinha, Vishwa Nath Prasad. Recent Trends and Concepts in Geography. New Delhi: Concept, 1980.

MLA-čujuhus (9. p.)

Edited by Sinha, Vishwa Nath Prasad. Recent Trends and Concepts in Geography. Concept, 1980.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.