Claycomb, James
Jones and Bartlett Publishers, 2011
Buku Teks
Edited by: Hwa Yol Jung
1895, 2002
Buku Teks
Lippincott, 1999
Buku Teks
Weinberger, Paul E.
Macmillan, 1974
Buku Teks
by Thomas J. Sullivan ... [and others]
John Wiley & Sons, 1980
Buku Teks