Jha, R. S.
Dhanpat Rai & Sons, 1979
Buku Teks
edited by. Herbert F. Lund
McGraw-Hill, 1971
Buku Referensi
edited by Herbert F. Lund
McGraw-Hill, 1971
Buku Referensi
J.M. Juran, editor-in-chief; Frank M. Gryna, associate editor
McGraw-Hill, 1988
Buku Referensi
Alley, E. Roberts
Mcgraw-Hill, 2000
Buku Referensi