APA aipamena

Clarke, R. C. (1987). Enteric Pathogens and the Food Chain.

Chicago Style aipamena

Clarke, Robert C. Enteric Pathogens and the Food Chain. 1987.

MLA aipamena

Clarke, Robert C. Enteric Pathogens and the Food Chain. 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.