Nigam, B. (1996). Management and evaluation of distance education. Kanishka.
Citazione stile Chigago Style (17a edizione)Nigam, B. Management and Evaluation of Distance Education. New delhi: Kanishka, 1996.
Citatione MLA (9a ed.)Nigam, B. Management and Evaluation of Distance Education. Kanishka, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.