edited by Erica l. Dolgin and Thomas G.P. Guilbert
West Publishing, 1997
Buku Teks
Wright, Charles Alan
West Publishing, 1970
Buku Teks
Stanley, Joyce, 1901-
Warren, Gorham and Lamont, 1971
Buku Teks
Chommie, John C.
West Publishing, 1968
Buku Teks
Player, Macka
West Publishing, 1992
Buku Teks