Minkin, Barry Howard
Macmillan, 1995
Buku Teks
Stewart, Hugh B.
Dow Jones-Irwin, 1989
Buku Teks
Levenbach, Hans
Lifetime Learning Publications, 1981
Buku Teks
Grangen, Clive William John, 1934-
Academic Press, 1989
Buku Teks
Gramedia Pustaka Utama , 1995
Buku Teks