edited by Phillip Vannini
NY Routledge, 2015
Buku Teks
Andrews, Gavin J., 1970-, author
Routledge, Taylor & Francis Group, 2018
Buku Teks
Wilson, Holly Skodol, author
Addison-Wesley, 1985
Buku Teks
Best, John W.
Pearson, 2014
Buku Teks
Best, John W., author
Prentice Hall of India, 1982
Buku Teks