Gaya APA

Gravani, N, G, M, A, R, B. (2006). Principles of Food Sanitation (Food Science Text Series) 5th Edition . New York: Springer.

Gaya MLA

Gravani, Norman, G., Marriott, And, Robert, B.. "Principles of Food Sanitation (Food Science Text Series) 5th Edition". New York: Springer, 2006. Text.