APA aipamena

Roy, P. K. (1997). Economic geography: A study of resources (4th rev. ed.). New Central Book Agency.

Chicago Style aipamena

Roy, Prithwish Kumar. Economic Geography: A Study of Resources. 4th rev. ed. Calcutta: New Central Book Agency, 1997.

MLA aipamena

Roy, Prithwish Kumar. Economic Geography: A Study of Resources. 4th rev. ed. New Central Book Agency, 1997.