Duronio, Margaret A.
Jossey - Bass Publishers , 1991
Buku Teks
George E. Walker ... [and others]
Jossey-Bass, 2008
Buku Teks
Feldman, Saul D., author
McGraw-Hill, 1973
Buku Teks
Graff, Gerald
W. W. Norton, 1992
Buku Teks
Chidsey, Donald Barr
Crown Publishers, 1966
Buku Teks