Harrington, H. James, author
McGraw-Hill, 1995
Buku Teks
Solomon, Cynthia, author
American Management Association, 2009
eBooks
Dahlgaard, Jens J., author
Chapman & Hall, 1998
Buku Teks
Dutta, Soumitra, author
McGraw-Hill, 1999
Buku Teks
Dydiet Hardjito, 1933-
Ghalia Indonesia, 1994
Buku Teks