Sharma, D. (2011). Distance education and student support services. Omega Publication.
Lua i Stíl Chicago (17ú heag.)Sharma, Darshana. Distance Education and Student Support Services. New Delhi: Omega Publication, 2011.
Lua MLA (9ú heag.)Sharma, Darshana. Distance Education and Student Support Services. Omega Publication, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.