Teevan, Richard C.
Harcourt, Brace & World, Inc., 1965
Buku Teks
Journal of the American Psychological Association, {s.a}
Majalah, Jurnal, Buletin
edited by Robert S. Daniel
Hougton Mifflin, 1965
Buku Teks
Plenum Publishing Corporation, 1991
Majalah, Jurnal, Buletin
Shelley McKeown; Reeshma Haji; Neil Ferguson, editor
Springer, 2016
Buku Teks