Ormrod, Jeanne Ellis
Charles E. Merrill, 2000
Buku Teks
Ormrod, Jeanne Ellis
Prentice-Hall, 2003
Buku Teks
Ormrod, Jeanne Ellis
Pearson Educational, Inc., 2003
Buku Teks
Ormrod, Jeanne Ellis
Erlangga, 2008
Buku Teks
Stephen N. Elliot, Thomas R. Kratochwill, Joan Littlefield Cook, John F. Travers, authors
McGraw-Hill Book , 2000
Buku Teks