Hull, David
Churchill Livinstone , 1996
Buku Teks
Tom Lissauer, Graham Clayden, editor
Mosby Elsevier, 2009
Buku Teks
Beischer, Norman A.
W.B. Saunders, 1988
Buku Teks
edited by Robert C. Tasker, Robert J. McClure, Carlo L. Acerini
Oxford University Press, 2009
Buku Referensi
May, Elsie D.
MTP Press , [1980;1980, 1980]
Buku Teks