Gaya APA
Marriott, N, G., Gravani, R, B. (2006).
Principles of Food Sanitation (5th edition).
United State of America:
Springer.
Gaya MLA
Marriott, Norman, G.., Gravani, Robert, B..
"Principles of Food Sanitation".
5th edition
United State of America:
Springer,
2006.
Text.