APA

Bhatti Ujjal Singh, University of Delhi. Faculty of Science. Department of Zoology, Prof S S Sehgal Supervisor & University of Delhi. Faculty of Science. Department of Zoology. (1983). Homologies of male externalgenitalia based on the comparative morphology, anatomy and postembryonic development of the genitalia in certain insects. : .

Chicago

Bhatti Ujjal Singh, University of Delhi. Faculty of Science. Department of Zoology, Prof S S Sehgal Supervisor and University of Delhi. Faculty of Science. Department of Zoology. 1983. Homologies of male externalgenitalia based on the comparative morphology, anatomy and postembryonic development of the genitalia in certain insects. : .

Harvard

Bhatti Ujjal Singh, University of Delhi. Faculty of Science. Department of Zoology, Prof S S Sehgal Supervisor and University of Delhi. Faculty of Science. Department of Zoology. (1983). Homologies of male externalgenitalia based on the comparative morphology, anatomy and postembryonic development of the genitalia in certain insects. : .

MLA

Bhatti Ujjal Singh, University of Delhi. Faculty of Science. Department of Zoology, Prof S S Sehgal Supervisor and University of Delhi. Faculty of Science. Department of Zoology. Homologies of male externalgenitalia based on the comparative morphology, anatomy and postembryonic development of the genitalia in certain insects. : . 1983.