Vira Agustina, author
Program Pascasarjana Universitas Indonesia, 2009
UI - Tesis (Open)
O`Leary, Elizabeth, author
Andi, 2002
Buku Teks
Taufik Bahaudin
Elex Media Komputindo, 2007
Buku Teks
Chiefy Adi Kusumargono, author
Republika Penerbit, 2021
Buku Teks
Muhamad Hanafiah, author
Fakultas Psikologi Universitas Indonesia, 2020
UI - Skripsi (Membership)