Foster, Lynn
West Publishing Company, 1983
Buku Teks
Cohen, Morris L., author
West Publishing Co., 1989
Buku Teks
Cohen, Morris L.
West Publishing Company, 1983
Buku Teks
Pineno, C.J., author
Addison-Wesley, 1984
Buku Teks
Pierce, Conway, author
W H Freeman, 1965
Buku Teks