APA
Usha N, University of Delhi. Faculty of Science. Department of Botany & University of Delhi. Faculty of Science. Department of Botany. (1967). Morphological and Embryological studies on centrium ramosissimum druce and affinities of the family gentianaceae. : .
Chicago
Usha N, University of Delhi. Faculty of Science. Department of Botany and University of Delhi. Faculty of Science. Department of Botany. 1967. Morphological and Embryological studies on centrium ramosissimum druce and affinities of the family gentianaceae. : .
Harvard
Usha N, University of Delhi. Faculty of Science. Department of Botany and University of Delhi. Faculty of Science. Department of Botany. (1967). Morphological and Embryological studies on centrium ramosissimum druce and affinities of the family gentianaceae. : .
MLA
Usha N, University of Delhi. Faculty of Science. Department of Botany and University of Delhi. Faculty of Science. Department of Botany. Morphological and Embryological studies on centrium ramosissimum druce and affinities of the family gentianaceae. : . 1967.
