Goldsmith, Seth B.
Jones & Bartlett, 2011
Buku Teks
Lighter, Donald
Jones and Bartlett Publishers,, 2011
Buku Teks
Ozcan, Yasar A.
Jossey- Bass, 2009
Buku Teks
Hammaker, Donna
Delmar Cengage Learning, 2011
Buku Teks
Fallon, L. Fleming
Jones and Bartlett Publishers, 2014
Buku Teks