edited James E. Teele
F.E. Peacock, 1970
Buku Teks
Giallombardo, Rose
John Wiley & Sons, 1982
Buku Teks
Rubin, H. Ted
McGraw-Hill, 1985
Buku Teks
Lundman, Richard J.
Oxford University Press, 1993
Buku Teks
Kaplan, Howard B.
Sage Publications, 1984
Buku Teks