Tappan, Paul W., author
McGraw-Hill, 1960
Buku Teks
edited by Jerome H. Skolnick, Jane L. Scheiber
Publisher's, 1977
Buku Teks
Abadinsky, Howard, author
Prentice-Hall, 1979
Buku Teks
Sheley, Joseph F., author
Wadsworth, 1987
Buku Teks
Reid, Sue Titus, author
Holt, Rinehart and Winston, 1985
Buku Teks