Holman, Jack Philip, author
McGraw-Hill, 1969
Buku Teks
Wood, Bernard D., author
Erlangga, 1987
Buku Teks
Warner, Cecil F., author
Balai Pustaka, 1985
Buku Teks
Campbell, Ashley S., author
John Wiley & Sons, 1979
Buku Teks
Raznjevic, Kuzman
Hemisphere Pub. Corp., 1976
Buku Referensi