Barlow, John F., author
John Wiley & Sons, 1999
Buku Teks
edited by C. Edward Weber and Gerald Peters
International Textbook Company, 1969
Buku Teks
Livingston, John Leslie, author
McGraw-Hill, 1970
Buku Teks
Solomon, Irving I., author
New American Library , 1968
Buku Teks
O`Brien, James A., 1936-, author
Richard D. Irwin, 1975
Buku Teks