KOUL B N. (1988). STUDIES IN DISTANCE EDUCATION. ASSOCIATION OF INDIAN UNIVERSITIES.
Chicago-čujuhus (17. p.)KOUL B N. STUDIES IN DISTANCE EDUCATION. NEW DELHI: ASSOCIATION OF INDIAN UNIVERSITIES, 1988.
MLA-čujuhus (9. p.)KOUL B N. STUDIES IN DISTANCE EDUCATION. ASSOCIATION OF INDIAN UNIVERSITIES, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.