Matondang, Lucia Marchy, author
2016
UI - Skripsi (Membership)
Vithzal Rivai [and others]
Rajawali, 2011
Buku Teks
Veithzal Rivai Zainal, author
RajaGrafindo Persada, 2005
Buku Teks
Veithzal Rivai Zainal, author
RajaGrafindo Persada, 2008
Buku Teks
Putri Suci Parama Susan, author
Fakultas Psikologi Universitas Indonesia, 2007
UI - Skripsi (Membership)