Roman, Murray, author
McGraw-Hill, 1983
Buku Teks
Brady, S.G.
Stackpole, 1963
Buku Teks
Portman, John, author
L`Arca, 1997
Buku Teks
Covarrubias, Miguel, author
Oxford University Press, 1972
Buku Teks
Stevenson, R. L. (Robert Louis), author
Penguins Books, 1994
Buku Teks