BHATNAGAR O P. (1985). EDUCATION AND COMMUNICTION FOR DEVELOPMENT (2.). OXFORD UNIVERSITY PRESS.
Cita Chicago (17th ed.)BHATNAGAR O P. EDUCATION AND COMMUNICTION FOR DEVELOPMENT. 2. DELHI BOMBAY: OXFORD UNIVERSITY PRESS, 1985.
Cita MLA (9th ed.)BHATNAGAR O P. EDUCATION AND COMMUNICTION FOR DEVELOPMENT. 2. OXFORD UNIVERSITY PRESS, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.