Sutrisno Hadi, author
Fak. Psykhologi-UGM, 1978
Buku Teks
Brause, Rita S., author
RoutledgeFalmer , 2000
Buku Teks
Maureen Ryan
Sense, 2012
eBooks
Thomas, R. Murray (Robert Murray), 1921-, author
Corwin Press, 2008
Buku Teks
Thomas, R. Murray (Robert Murray), 1921-, author
Bergin & Garvey, 2000
Buku Teks