APA
Padam Singh, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematical Statistics, Dr. D Singh Gu & University of Delhi. Faculty of Mathematical Sciences. Department of Mathematical Statistics. (1975). New approach to systematic sampling. : .
Chicago
Padam Singh, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematical Statistics, Dr. D Singh Gu and University of Delhi. Faculty of Mathematical Sciences. Department of Mathematical Statistics. 1975. New approach to systematic sampling. : .
Harvard
Padam Singh, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematical Statistics, Dr. D Singh Gu and University of Delhi. Faculty of Mathematical Sciences. Department of Mathematical Statistics. (1975). New approach to systematic sampling. : .
MLA
Padam Singh, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematical Statistics, Dr. D Singh Gu and University of Delhi. Faculty of Mathematical Sciences. Department of Mathematical Statistics. New approach to systematic sampling. : . 1975.