Gaya APA
GREENWOOD, D, [.
(2007).
MEDICAL microbiology:
(
17th ed.)
.
Philadelphia:
Churchill Livingstone Elsevier.
Gaya MLA
GREENWOOD, David,, [Ed.].
"MEDICAL microbiology: ".
17th ed.
Philadelphia:
Churchill Livingstone Elsevier,
2007.
Buku.