Stone, Raymond J., author
John Wiley & Sons, 1995
Buku Teks
Carrell, Michael R., author
Macmillan, 1992
Buku Teks
by Herbert G. Henemen III ... [et.al.]
Richard D. Irwin, 1989
Buku Teks
Armstrong, Michael, author
Crest Publishing House, 1999
Buku Teks
McGraw-Hill, Irwin, 2003
Buku Teks