APA
Tandon J.N, University of Delhi. Faculty of Science. Department of Physics and Astrophysics, Prof Surya Prakash Bhatnagar Supervisor & University of Delhi. Faculty of Science. Department of Physics and Astrophysics. (1957). Some problems in astrophysics. : .
Chicago
Tandon J.N, University of Delhi. Faculty of Science. Department of Physics and Astrophysics, Prof Surya Prakash Bhatnagar Supervisor and University of Delhi. Faculty of Science. Department of Physics and Astrophysics. 1957. Some problems in astrophysics. : .
Harvard
Tandon J.N, University of Delhi. Faculty of Science. Department of Physics and Astrophysics, Prof Surya Prakash Bhatnagar Supervisor and University of Delhi. Faculty of Science. Department of Physics and Astrophysics. (1957). Some problems in astrophysics. : .
MLA
Tandon J.N, University of Delhi. Faculty of Science. Department of Physics and Astrophysics, Prof Surya Prakash Bhatnagar Supervisor and University of Delhi. Faculty of Science. Department of Physics and Astrophysics. Some problems in astrophysics. : . 1957.