Gaya APA

Cook, R, J., F.Baker, K. (1983). The Nature and Practice of Biological Control of Plant Pathogens . USA: The American Phytopathological Society.

Gaya MLA

Cook, R., James., F.Baker, Kenneth. "The Nature and Practice of Biological Control of Plant Pathogens". USA: The American Phytopathological Society, 1983. Text.