edited by Clayton L. Thomas
P.G. Publishing, 1984
Buku Referensi
edited by Clayton L. Thomas
PG Publishing, 1990
Buku Referensi
Saunders, 2003
Buku Teks
Dorland, W. A. Newman
W.B. Saunders Company , 1994
Buku Referensi
Churchill Livingstone, 1989
Buku Referensi