Trescoot, Paul B., author
McGraw-Hill, 1960
Buku Teks
Simpson, Thomas D., author
Prentice-Hall, 1987
Buku Teks
Fry, Maxwell J., author
John Hopkins University Press, 1995
Buku Teks
by H.G. Johnson... [and others]
Macmillan, 1968
Buku Teks
Stanford, Jon D.
John Wiley and Sons Australasia Pty , 1973
Buku Teks