Yarwood, A.
Longman Scientific and Technical, 1991
Buku Teks
Yarwood, A.
Prentice-Hall, 2002
Buku Teks
Svensen, Carl L.
"New Jersey: D. Van Nostrand, 1962"
Buku Teks
Boundy, Albert W., author
McGraw-Hill, 2012
Buku Teks
Yarwood, A.
Newnes, 2006
Buku Teks