Scheaffer, R. L. (1979). Elementary survey sampling. Duxbury Press.
Chicagoスタイル(17版)引用形式Scheaffer, Richard L. Elementary Survey Sampling. Duxbury Press, 1979.
MLA(8版)引用形式Scheaffer, Richard L. Elementary Survey Sampling. Duxbury Press, 1979.
警告: この引用は必ずしも正確ではありません.