Παραπομπή APA

Daroga Singh & F S Chaudhary. (2009). Theory and analysis of sample survey designs. New age.

Παραπομπή Chicago Style

Daroga Singh και F S Chaudhary. Theory and Analysis of Sample Survey Designs. New age, 2009.

Παραπομπή MLA

Daroga Singh και F S Chaudhary. Theory and Analysis of Sample Survey Designs. New age, 2009.