Hall, Bradfgord J, author
Thomsonm, 2005
Buku Teks
Hall, Bradford J., author
Routledge, Taylor & Francis Group, 2018
Buku Teks
Samovar, Larry A., author
Wadsworth, Thomson Learning, 2000
Buku Teks
by Larry A. Samovar, Richard E Porter, Edwin R McDaniel, Carolyn S Roy
Wadsworth and Cengage Learning, 2013
Buku Teks
Yusuf Arianto, author
Fakultas Psikologi Universitas Indonesia, 2013
UI - Tesis (Membership)