Arrigo, Bruce A., author
Pearson/Prentice Hall, 2006
Buku Teks
Argyris, Chris, author
Harper & Row, 1956
Buku Teks
Sapienza, Alice M., author
Wiley, 2004
Buku Teks
Mazur, James E.
Prentice-Hall, 1977
Buku Teks
Bartol, Curt R., author
Pearson Education, Inc., 2008
Buku Teks