Campbell, Hugh G., author
Prentice-Hall, 1980
Buku Teks
Kolman, Bernard, 1932-, author
Macmillan, 1970
Buku Teks
Lightstone, A. H., author
Appleton-Century-Crofts, 1969
Buku Teks
Fuller, Leonard E., author
Dickenson, 1966
Buku Teks
Zelinsky, Daniel, author
Academic Press, 1968
Buku Teks