editors, Longbing Cao, Philip S. Yu
Springer-Verlag , 2012
eBooks
Zastrow, Charles, author
Cengage Learning, 2016
Buku Teks
PaPiere, Richard T.
McGraw-Hill Book Company, Inc., 1938
Buku Teks
Pergamon Press, 1990
Buku Teks
Baumeister, Roy F., author
Wardsword cengage learning, 2011
Buku Teks