Tilak, J. B. G. (1985). Discriminatory pricing in education. National Institute of Educational Planning and Administration.
Lua i Stíl Chicago (17ú heag.)Tilak, Jandhyala B. G. Discriminatory Pricing in Education. New Delhi, India: National Institute of Educational Planning and Administration, 1985.
Lua MLA (8ú heag.)Tilak, Jandhyala B. G. Discriminatory Pricing in Education. National Institute of Educational Planning and Administration, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.