Gaya APA
KETTERING, J, D., SEHEULT, C, A.
(2010).
Microbiology :
(
13th ed.)
.
Boston:
McGraw Hill Medical.
Gaya MLA
KETTERING, James, D.., SEHEULT, Craig, A..
"Microbiology :".
13th ed.
Boston:
McGraw Hill Medical,
2010.
Buku.