Παραπομπή APA

Pillai, C., & Naidu, C. (1997). Economics of distance education: The IGNOU experience. Indira Gandhi National Open Unoiversity.

Παραπομπή Chicago Style

Pillai, CR, και CG Naidu. Economics of Distance Education: The IGNOU Experience. New Delhi: Indira Gandhi National Open Unoiversity, 1997.

Παραπομπή MLA

Pillai, CR, και CG Naidu. Economics of Distance Education: The IGNOU Experience. Indira Gandhi National Open Unoiversity, 1997.