Moskowitz, Merle J.
Houghton Mifflin, 1969
Buku Teks
Baumeister, Roy F.
Wardsword cengage learning, 2011
Buku Teks
Winston, Robert M.L.
BBC Worldwide Limited, 2004
Multimedia
Winston, Robert M.L.
BBC Worldwide Limited, 2004
Multimedia
Winston, Robert M.L.
BBC Worldwide Limited, 2004
Multimedia