Pyle, Ransford Comstock
Delmar, Cengage Learning, 2011
Multimedia
Ball, John
Oughtershaw Press, 1996
Buku Teks
A. Yusuf Ali, author
Amana Corp., 1983
Buku Referensi
Tsun, Hang TEY, author
LexisNexis, 2011
Buku Teks
Pyle, Ransford Comstock, author
Delmar Cengage Learning, 2011
Buku Teks