Gopal, R. (1977). Man and reason (First APS edition.). Asian Publication Services.
Citazione stile Chigago Style (17a edizione)Gopal, Ram. Man and Reason. First APS edition. New Delhi: Asian Publication Services, 1977.
Citatione MLA (9a ed.)Gopal, Ram. Man and Reason. First APS edition. Asian Publication Services, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.