APA
Nayar SL, Chopra IC, . (1951). Distribution of British pharmacopoeial drug plants and their substitutes growing in India. : Brochure, Pharmaceuticals and Drugs Research Committee, Council of Scientific and Industrial Research, New Delhi.
Chicago
Nayar SL, Chopra IC, . 1951. Distribution of British pharmacopoeial drug plants and their substitutes growing in India. : Brochure, Pharmaceuticals and Drugs Research Committee, Council of Scientific and Industrial Research, New Delhi.
Harvard
Nayar SL, Chopra IC, . (1951). Distribution of British pharmacopoeial drug plants and their substitutes growing in India. : Brochure, Pharmaceuticals and Drugs Research Committee, Council of Scientific and Industrial Research, New Delhi.
MLA
Nayar SL, Chopra IC, . Distribution of British pharmacopoeial drug plants and their substitutes growing in India. : Brochure, Pharmaceuticals and Drugs Research Committee, Council of Scientific and Industrial Research, New Delhi. 1951.