Macedo, Manuel C., author
John Wiley & Sons, 1978
Buku Teks
Hicks, Herbert G., author
McGraw-Hill Kogakusha, 1974
Buku Teks
McDonough, Adrian M
R.D. Irwin, 1965
Buku Teks
Koontz, Harold, author
McGraw-Hill, 1976
Buku Teks
Cleland, David I., author
McGraw-Hill, 1968
Buku Teks