Siagian, Sondang P., author
Gunung Agung, 1995
Buku Teks
Veithzal Rivai Zainal, author
Rajawali, 2013
Buku Teks
Yukl, Gary A., 1940-, author
Prenhallindo , 1998
Buku Teks
Yukl, Gary A., 1940-, author
Indeks, 2001
Buku Teks
Paul Sowita, author
Universitas Indonesia, 1997
UI - Tesis (Membership)