Kolb, David A., author
Prentice-Hall, 1991
Buku Teks
Kolb, David A., author
Prentice-Hall, 1995
Buku Teks
Bernardin, H. John, author
McGraw-Hill, 2003
Buku Teks
Bernardin, H. John, author
McGraw-Hill, 2013
Buku Teks
Brown, Marie Scott
J.B. Lippincott , 1984
Buku Teks