Maya Rom Korin, author
Springer, 2018
Buku Teks
SAGE , 2007
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.
Pearson, 2014
Buku Teks SO
Naidoo, Jenniem]
Bailliere Tindal Elsevier, 2011
Buku Teks