Daroga Singh & F S Chaudhary. (2009). Theory and analysis of sample survey designs. New age.
استشهاد بنمط شيكاغوDaroga Singh و F S Chaudhary. Theory and Analysis of Sample Survey Designs. New age, 2009.
MLA استشهادDaroga Singh و F S Chaudhary. Theory and Analysis of Sample Survey Designs. New age, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.