APA
Dhar Usha, University of Delhi. Faculty of Science. Department of Botany, Prof M R Vijayaraghavan Supervisor & University of Delhi. Faculty of Science. Department of Botany. (1976). Part I. : .
Chicago
Dhar Usha, University of Delhi. Faculty of Science. Department of Botany, Prof M R Vijayaraghavan Supervisor and University of Delhi. Faculty of Science. Department of Botany. 1976. Part I. : .
Harvard
Dhar Usha, University of Delhi. Faculty of Science. Department of Botany, Prof M R Vijayaraghavan Supervisor and University of Delhi. Faculty of Science. Department of Botany. (1976). Part I. : .
MLA
Dhar Usha, University of Delhi. Faculty of Science. Department of Botany, Prof M R Vijayaraghavan Supervisor and University of Delhi. Faculty of Science. Department of Botany. Part I. : . 1976.
