Zelinsky, Daniel, author
Academic Press, 1968
Buku Teks
Kolman, Bernard, 1932-, author
Pearson Prentice Hall, 2005
Buku Teks
Pillis, John de, author
Holt, Rinehart and Winston, 1969
Buku Teks
Lawson, Terry, author
John Wiley & Sons, 1996
Buku Teks
Anton, Howard, author
John Wiley & Sons, 1984
Buku Teks