James K Luiselli, editor
Springer, 2016
Buku Teks
Kalish, Harry I., author
McGraw-Hill, 1981
Buku Teks
Rubington, Earl, author
Allyn and Bacon , 1996
Buku Teks
Kelly, Caroline
Caroline Kelly, 1996
Buku Teks
Baumeister, Roy F., author
Wardsword cengage learning, 2011
Buku Teks