Gaya APA
TORTORA, G, J. et al
(2004).
Microbiology :
(
8th ed.)
.
San Francisco:
Pearson Benjamin Cummings.
Gaya MLA
TORTORA, Gerard, J.. et al.
"Microbiology :".
8th ed.
San Francisco:
Pearson Benjamin Cummings,
2004.
Buku.