Black, Jill M., author
Jossey-Bass, 2010
Buku Teks
by Randall R. Cottrell, James T. Girvan, Denise M. Seabert, Caile Spear, James F. McKenzie
Pearson Education, 2018
Buku Teks
Cottrell, Randall R., author
Pearson, 2014
Buku Teks
Read, Donald A., author
Janes and Bartlett Publihers, 1997
Buku Teks
Jossey-Bass , 2004
Buku Teks