Macmilla , 1971
Buku Teks
Shapiro, Benson P., author
McGraw-Hill, 1977
Buku Teks
Storholm, Gordon R.
Prentice-Hall, 1982
Buku Teks
Johansson, Johny K., author
Gramedia Pustaka Utama, 1998
Buku Teks
Johansson, Johny K., author
Gramedia Pustaka Utama, 1998
Buku Teks