Watson, Don A. (Donald Arthur), author
McGraw-Hill, c1978
Buku Teks
Marotta, Theodore W., author
Prentice-Hall, 1997
Buku Teks
Marotta, Theodore W., author
Pearson - Prentice Hall, 2005
Buku Teks
Allen, Edward, author
John Wiley & Sons, 2009
Buku Teks
Allen, Edward, author
John Wiley & Sons, 1999
Buku Teks