Gaya APA
Vieira, P, H, M, M, C. (2006).
Case Studies in Food Safety and Environmental Health .
Portugal:
Springer.
Gaya MLA
Vieira, Peter, Ho,, Maria, Margarida, Cortez.
"Case Studies in Food Safety and Environmental Health".
Portugal:
Springer,
2006.
Koleksi Elektronik.