Germain, Clarence B., author
Prentice-Hall, 1967
Buku Teks
Leeds, Herbert D., author
McGraw-Hill, 1970
Buku Teks
Price, Wilson T., author
Rinehart Press, 1968
Buku Teks
Abel, Peter, 1932-, author
Prentice-Hall, 1997
Buku Teks
Thorne, Michael, author
Benjamin Cumming, 1986
Buku Teks