Παραπομπή APA

Gandhe,S K, Ruddar datt, & sushmita mitra. (1996). Open learning system in India. Indira gandhi open university.

Παραπομπή Chicago Style

Gandhe,S K, Ruddar datt, και sushmita mitra. Open Learning System in India. New Delhi: Indira gandhi open university, 1996.

Παραπομπή MLA

Gandhe,S K, et al. Open Learning System in India. Indira gandhi open university, 1996.