Montague, Earl J., author
Charles E. Merrill, 1987
Buku Teks
Justin Dillon, Meg Maguire, editor
McGraw-Hill, 2011
Buku Teks
Gorlewski, Julie A.
Sense, 2012
eBooks
Sullivan, Keith, author
Paul Chapman, 2005
Buku Teks
Fadhliyah Tania Heryanto, author
Fakultas Psikologi Universitas Indonesia, 2018
UI - Skripsi Membership