SAMPATH S. (2005). SAMPLING THEORY AND METHODS (2ND.). NAROSA PUBLISHING HOUSE.
Chicago (17e ed.) BronvermeldingSAMPATH S. SAMPLING THEORY AND METHODS. 2ND. NEW DELHI: NAROSA PUBLISHING HOUSE, 2005.
MLA (9e ed.) BronvermeldingSAMPATH S. SAMPLING THEORY AND METHODS. 2ND. NAROSA PUBLISHING HOUSE, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.