Katzan, Harry, Jr., author
Van Nostrand Remhald, 1973
Buku Teks
Van Tassel, Dennis, author
Prentice-Hall, 1972
Buku Teks
Martin, James, author
Prentice-Hall, 1973
Buku Teks
Essick, Edward L., author
Science Research Associates, 1984
Buku Teks
Wooldridge, Susan, author
John Wiley & Sons, 1973
Buku Teks