Block, Mervin, author
Sage, 2012
Buku Teks
Rich, Carole, author
Wadsworth and Cengage Learning, 2010
Buku Teks
Block, Mervin, author
CQ Press, 2011
Buku Teks
A.S. Haris Sumadiria, author
Simbiosa Rekatama Media, 2005
Buku Teks
Block, Mervin, author
Media Development, 2005
Buku Teks