Laurents, Arthur
Random House, 1957
Buku Teks
edited by Frederick W. Moorman, revised by morris Palmer Tilley
DC Health, 1917
Buku Teks
Cooper, Phillip J., author
Oxford University Press , 1988
Buku Teks
Vanderbilt, Arthur T.
Pricenton University Press, 1955
Buku Teks
Manchester, William, author
Pustaka Sinar Harapan , 1994
Buku Teks