Lathrop, Thomas G., author
Wadsworth, 1967
Buku Teks
Travers, Kenneth J., author
Laidlaw Brothers, 1987
Buku Teks
Melzak, Z.A., author
John Wiley & Sons, 1983
Buku Teks
Robson, B.N., author
Rigby, 1968
Buku Teks
Thomson, J.E.
D Van Nostrand Co., 1962
Buku Teks