Vajda, S.
Mathematics of manpower planning / S. Vajda
John Wiley & Sons, 1978
Buku Teks
Rendall, F. J.
Statistical sources and techniques
McGraw-Hill, 1983
Buku Teks
Stoodley, K.D.C.
Applied statistical techniques
John Wiley & Sons, 1980
Buku Teks
Mason, Robert D.
Statistical techniques in business and economics
McGraw-Hill , 1999
Buku Teks
Jessen, Raymond James, 1910-
Statistical survey techniques
John Wiley & Sons, 1978
Buku Teks