Clark, Frank J., author
Prentice-Hall, 1972
Buku Teks
Condon, Robert J., author
Reston Publishing, 1978
Buku Teks
Stern, Robert A., author
John Wiley, 1973
Buku Teks
Gregory, Robert Henry, author
Wadsworth, 1960
Buku Teks
Orilia, Lawrence, author
John Wiley & Sons, 1972
Buku Teks