Daroga Singh & F S Chaudhary. (2009). Theory and analysis of sample survey designs. New age.
Chicago-стиль цитированияDaroga Singh and F S Chaudhary. Theory and Analysis of Sample Survey Designs. New age, 2009.
MLA-цитированиеDaroga Singh and F S Chaudhary. Theory and Analysis of Sample Survey Designs. New age, 2009.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.