Bridgman, George B.
W. Foulsham & Co. Ltd, 1952
Buku Teks
Montague, John, author
John Wiley & Sons, 2010
Buku Teks
Helms, Michael E., author
Prentice-Hall, 1990
Buku Referensi
Yee, Rendow, author
John Wiley & Sons, 1997
Buku Teks
Ching, Francis D.K., 1943-, author
Erlangga, 2002
Buku Teks