D C Westhoff & W C Frazier. (1978). Food Microbiology (3.). New york.
Chicago Style aipamenaD C Westhoff and W C Frazier. Food Microbiology. 3. New york, 1978.
MLA aipamenaD C Westhoff and W C Frazier. Food Microbiology. 3. New york, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.