Bailey III, Henry J.
West Publishing, 1988
Buku Teks
Heydecker, Joe J.
: The World Publishing,, 1962
Buku Teks
Pasco, Gregory A., author
CRC Press, 2009
Buku Teks
Andriessen, Margo F.
Gouda Quint BV, 1985
Buku Teks
Howard D.Samuel
Henry Holt and Company, 1953
Buku Teks