Mahoney, Edward F., author
Pearson/Prentice Hall, 2006
Buku Teks
edited by Charles A. Harper
McGraw-Hill, 1972
Buku Referensi
Miller, Rex, 1939-2004, author
Mcknight & Mcknigh, 1964
Buku Teks
Singer, Bertrand B., author
McGraw-Hill, 1978
Buku Teks
Matt, Stephen R., author
Goodheart-Willcox, 1994
Buku Teks