Gaya APA
Smith, A, L.
(1973).
Principles of Microbiology
(
7th edition)
.
St. Louis:
The C.V. Mosby Company.
Gaya MLA
Smith, Alice, Lorraine.
"Principles of Microbiology".
7th edition
St. Louis:
The C.V. Mosby Company,
1973.
Text.