APA
Prem Kumar Singh, University of Delhi. Faculty of Science. Department of Chemistry, Prof R N Khanna Supervisor & University of Delhi. Faculty of Science. Department of Chemistry. (1989). Reactions at active quinonoid positions. : .
Chicago
Prem Kumar Singh, University of Delhi. Faculty of Science. Department of Chemistry, Prof R N Khanna Supervisor and University of Delhi. Faculty of Science. Department of Chemistry. 1989. Reactions at active quinonoid positions. : .
Harvard
Prem Kumar Singh, University of Delhi. Faculty of Science. Department of Chemistry, Prof R N Khanna Supervisor and University of Delhi. Faculty of Science. Department of Chemistry. (1989). Reactions at active quinonoid positions. : .
MLA
Prem Kumar Singh, University of Delhi. Faculty of Science. Department of Chemistry, Prof R N Khanna Supervisor and University of Delhi. Faculty of Science. Department of Chemistry. Reactions at active quinonoid positions. : . 1989.