BHATNAGAR O P. (1985). EDUCATION AND COMMUNICTION FOR DEVELOPMENT (2.). OXFORD UNIVERSITY PRESS.
Dyfyniad Arddull ChicagoBHATNAGAR O P. EDUCATION AND COMMUNICTION FOR DEVELOPMENT. 2. DELHI BOMBAY: OXFORD UNIVERSITY PRESS, 1985.
Dyfyniad MLABHATNAGAR O P. EDUCATION AND COMMUNICTION FOR DEVELOPMENT. 2. OXFORD UNIVERSITY PRESS, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.