APA
Gupta Yogeshwar Kumar, University of Delhi. Faculty of Science. Department of Chemistry, Prof V K Ahluwalia Supervisor & University of Delhi. Faculty of Science. Department of Chemistry. (1978). Studies in Coumarins. : .
Chicago
Gupta Yogeshwar Kumar, University of Delhi. Faculty of Science. Department of Chemistry, Prof V K Ahluwalia Supervisor and University of Delhi. Faculty of Science. Department of Chemistry. 1978. Studies in Coumarins. : .
Harvard
Gupta Yogeshwar Kumar, University of Delhi. Faculty of Science. Department of Chemistry, Prof V K Ahluwalia Supervisor and University of Delhi. Faculty of Science. Department of Chemistry. (1978). Studies in Coumarins. : .
MLA
Gupta Yogeshwar Kumar, University of Delhi. Faculty of Science. Department of Chemistry, Prof V K Ahluwalia Supervisor and University of Delhi. Faculty of Science. Department of Chemistry. Studies in Coumarins. : . 1978.