McConnaughey, Bayard H., author
The C. V. Mosby, 1974
Buku Teks
Ahern, Holly
Lowa Wm.C. Brown Pub, 1992
Buku Teks
Colquhoun, D.
Clarendom Press, 1971
Buku Teks
Bailey, Paul C.
International Textbook Company, 1969
Buku Teks
Northrop, Robert B., author
CRC Press, 2009
Buku Teks