Ostdiek, Vern J., author
Thomson Brooks/Cole, 2008
Buku Teks
Giambattista, Alan., author
McGraw-Hill, 2007
Buku Teks
Coletta, Vincent, author
Mosby, 1995
Buku Teks
Blatt, Frank J., author
McGraw-Hill, 1992
Buku Teks
Ewen, Dale, author
Pearson Prentice-Hall, 2009
Buku Teks