Walpole, Ronald E., author
Macmillan, 1968
Buku Teks
Freund, John E., author
Prentice-Hall, 1980
Buku Teks
Allen, R.G.D., author
Hutchinson University Library, 1972
Buku Teks
Wonnacott, Thomas H., 1935-, author
John Wiley & Sons, 1990
Buku Teks
Mann, Prem S, author
Jon Wiley & Sons, 2011
Buku Teks