Cochran, William G.
Sampling techniques
John Wiley , 1963
 Buku Teks
Cochran, William G.
Sampling techniques
John Wiley & Sons, 1953
 Buku Teks SO
Cochran, William G.
Sampling techniques
Wiley, 1953
 Buku Teks SO
Scheaffer, Richard L.
Survey sampling
Brooks/Cole Cengage Learning, 2012
 Buku Teks
Scheaffer, Richard L.
Elementary survey sampling
Duxbury , 1990 Press
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