Singh, D., & Chaudhary, F. S. (1989). Theory and analysis of sample survey design (1st edition.). Wiley Eastern.
Chicago-čujuhus (17. p.)Singh, Daroga, juo F. S. Chaudhary. Theory and Analysis of Sample Survey Design. 1st edition. New Delhi: Wiley Eastern, 1989.
MLA-čujuhus (9. p.)Singh, Daroga, juo F. S. Chaudhary. Theory and Analysis of Sample Survey Design. 1st edition. Wiley Eastern, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.