Sharma, D. (2011). Distance education and student support services. Omega Publication.
Citazione stile Chigago Style (17a edizione)Sharma, Darshana. Distance Education and Student Support Services. New Delhi: Omega Publication, 2011.
Citatione MLA (9a ed.)Sharma, Darshana. Distance Education and Student Support Services. Omega Publication, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.