Singh, D., & Chaudhary, F. (1986). Theory and analysis of sample survey designs. New age International.
Stile di citazione ChicagoSingh, Daroga, e F.S Chaudhary. Theory and Analysis of Sample Survey Designs. New Delhi: New age International, 1986.
Citazione MLASingh, Daroga, e F.S Chaudhary. Theory and Analysis of Sample Survey Designs. New age International, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.