Llewellyn-Jones, Derek
The English Language Book Society , 1982
Buku Teks
edited by Norman F. Gant
Prentice-Hall, 1993
Buku Teks
Benson, Ralph C., author
Lange Medical Publications, 1983
Buku Teks
Beischer, Norman A., author
W.B. Saunders, 1988
Buku Teks
Alan H. Decherney, T. Murphy Goodwin,Neri Laufer,Ashley S. Roman Lauren Nathan
McGraw-Hill , 2013
Buku Teks