White, James J., author
West Publishing Company, 1995
Buku Teks
White, James J., author
West Publishing Company, 1988
Buku Teks
Barber, James David
Prentice-Hall, 1977
Buku Teks
White, James Boyd
The University of Chicago Press , 1990
Buku Teks
Bishop, Margaret S.
Charies E Mernill, 1976
Buku Teks