Cochran, William G.
Sampling techniques
John Wiley & Sons, 1977
 Buku Teks SO
Scheaffer, Richard L.
Survey sampling
Brooks/Cole Cengage Learning, 2012
 Buku Teks SO
Scheaffer, Richard L.
Elementary survey sampling
Duxbury , 1990 Press
 Buku Teks SO
Chaudhuri, Arijit
Survey sampling: theory and methods
Chapman and Hall/CRC, 2005
 Buku Teks SO
Novianti
Latent class model
Universitas Indonesia, 2008
 UI - Skripsi Open