Brown, Alfred E., author
McGraw-Hill, 2012
Buku Teks
Brown, Alfred, author
Mc Graww Hill, 2012
Buku Teks
Preston, Daryl W., author
John Wiley & Sons, 1985
Buku Teks
McCourt, Richard M., author
McGraw-Hill, 1990
Buku Referensi
Anderson, Curtis B., author
Kendall/Hunt, 1990
Buku Teks