Wells, Walter
Kent Publishing Company, 1985
Buku Teks
Orilla, Lawrence S., author
McGraw-Hill Int.Book, 1983
Buku Teks
Robinson, Robert T.
Richard D. Irwin Inc., 1969
Buku Teks
Macleride, Sean, author
Balai Pustaka, 1983
Buku Teks
Haynes, W. Warren (William Warren), 1921-1972
PRENTOCE-HALL, Inc, Englewood Clifts, 1969
Buku Teks