Guilford, Joy Paul, 1897-1987, author
McGraw-Hill, 1971
Buku Teks
Kail, Robert V., author
W.H. Freeman, c1985
Buku Teks
Feist, Jess, author
McGraw Hil , 2013
Buku Teks
Schultz, Duane P., author
Cengage Learning, 2017
Buku Teks
Hall, Calvin S. (Calvin Springer), 1909-1985, author
John Wiley & Sons, 1998
Buku Teks