Williams, Bill
A Sampler on sampling
John Wiley & Sons, 1978
 Buku Teks
Cochran, William G.
Sampling techniques
John Wiley , 1963
 Buku Teks
Raj, Des
Sampling theory
McGraw-Hill, 1968
 Buku Teks
Scheaffer, Richard L.
Survey sampling
Brooks/Cole Cengage Learning, 2012
 Buku Teks
Cochran, William G.
Sampling techniques
John Wiley & Sons, 1953
 Buku Teks SO