Stauffer, Todd, author
IDG Books, 2000
Buku Teks
Vartanov, G.
Peace Publishers, [date of publication not identified]
Buku Teks
Schweitzer, Gerald, author
John F. Rider, 1960
Buku Teks
Nabb, Edward H.
Philadelphia: Chilton, 1961
Buku Teks
John, Arthur W., author
Thames and Hudson, 1988
Buku Teks