Baxter, Chaterine S.
Baltimore, Williams & Wilkin,1995,
Buku Teks
Danso, Michael A., author
Elsevier , 2005
Buku Teks
Loehrer, Patrick J., editor-in.chief
Elsevier, 2005
Buku Referensi
Elsiver, 2005,
Buku Referensi
William & Wilkins, 1997
Buku Referensi