CHOWDHURI, P. (1973). Economics of research and development. People's Pub.
Chicagoスタイル(17版)引用形式CHOWDHURI, P.N. Economics of Research and Development. New Delhi: People's Pub, 1973.
MLA(9版)引用形式CHOWDHURI, P.N. Economics of Research and Development. People's Pub, 1973.
警告: この引用は必ずしも正確ではありません.