Dite Marcelina Dwi Maulia, author
Fakultas Psikologi Universitas Indonesia, 2002
UI - Skripsi (Membership)
Fisher, Alec, author
Erlanga, 2009
Buku Teks
Eka Wartana, author
Gramedia Pustaka Utama, 2016
Buku Teks
Eka Wartana, author
Gramedia Pustaka Utama, 2012
Buku Teks
Rubenfeld, M. Gaie, author
J.B. Lippincott, 1995
Buku Teks