Repka, Joe
Wm. C. Brown Publishers, 1994
Buku Teks
Edwards, C.H., author
Prentice-Hall, 1982
Buku Teks
Purcell, Edwin J. (Edwin Joseph), 1901-, author
Erlangga, 1999
Buku Teks
Purcell, Edwin J. (Edwin Joseph), 1901-, author
Prentice-Hall, 1987
Buku Teks
Anton, Howard, author
John Wiley & Sons, 1992
Buku Teks