Fried, Louis, author
Reston Publishing, 1979
Buku Teks
Vazsonyi, Andrew, author
Richard D. Irwin, 1980
Buku Teks
Arnold, Robert R., author
John Wiley & Sons, 1978
Buku Teks
Floyd, Nancy A., author
1987
Buku Teks
Couger, J. Daniel, author
John Wiley & Sons, 1984
Buku Teks