Melzak, Z.A., author
John Wiley & Sons, 1983
Buku Teks
Shrode, Leroy W.
The Hayes School, 1968
Buku Teks
Keedy, Mervin L., author
Addison-Wesley Pub. Co. , 1965
Buku Teks
Robson, B.N., author
Rigby, 1968
Buku Teks
Thomson, J.E.
D Van Nostrand Co., 1962
Buku Teks