Chowdhury, P. N. (1973). Economics of research and development. People's Pub. House.
Chicago-Zitierstil (17. Ausg.)Chowdhury, P. N. Economics of Research and Development. People's Pub. House, 1973.
MLA-Zitierstil (9. Ausg.)Chowdhury, P. N. Economics of Research and Development. People's Pub. House, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.