Burian, Barbara J., author
Prentice-Hall, 1982
Buku Teks
Dover Publications , 1971
Buku Teks
Orilia, Lawrence, author
John Wiley & Sons, 1972
Buku Teks
Brandon, Dick H., author
Brandon/System Press, 1970
Buku Teks
Vazsonyi, Andrew, author
Richard D. Irwin, 1980
Buku Teks