Susan K. Kovar ... [and others]
McGraw-Hill, 2012
Buku Teks
Stewig, John Warren
Wadsworth, 1995
Buku Referensi
Moursund, David G.
John Wiley & Sons, 1981
Buku Teks SO
Waite, Mitchell
H.W. Sams, 1980
Buku Teks
Stone, Harold S., 1938-
Addison-Wesley, 1982
Buku Teks