Cochran, William G.
Teknik penarikan sampel = Sampling techniques
Penerbit Universitas Indonesia (UI-Press), 2005
 Buku Teks
Cochran, William G.
Teknik penarikan sampel=Sampling techniques
UI-Press, 2005
 Buku Teks
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