Palmer, W.G., author
University Press, 1954
Buku Teks
Sienko, Michell J., author
McGraw-Hill, 1984
Buku Teks
Engel, Thomas, author
Pearson Prentice Hall, 2006
Buku Teks
Alberty, Robert A., author
John Wiley & Sons, 1992
Buku Teks
Fried, Vojtech, author
McGraw-Hill, 1977
Buku Teks