Tohutoro APA (7th ed.)

CHOWDHURI, P. (1973). Economics of research and development. People's Pub.

Tohutoru Kātū Chicago (17th ed.)

CHOWDHURI, P.N. Economics of Research and Development. New Delhi: People's Pub, 1973.

Tohutoro MLA (9th ed.)

CHOWDHURI, P.N. Economics of Research and Development. People's Pub, 1973.