Udai Parrek
Pustaka Binaman Pressindo, 1985
Buku Teks
Dana Andriana, author
Universitas Indonesia, 2016
UI - Skripsi (Membership)
Lidya Enryzki, author
Fakultas Psikologi Universitas Indonesia, 2016
UI - Skripsi (Membership)
Husnul Fitri, author
Universitas Indonesia, 2003
UI - Skripsi (Membership)
Lawler, Edward E.
Pustaka Binaman Pressindo, 1983
Buku Teks