Spencer, J. F. T., & Ragout de Spencer, A. L. (2001). Food microbiology protocols. Humana Press.
Chicago Style aipamenaSpencer, J. F. T., and Alicia L. Ragout de Spencer. Food Microbiology Protocols. Totowa, NJ: Humana Press, 2001.
MLA aipamenaSpencer, J. F. T., and Alicia L. Ragout de Spencer. Food Microbiology Protocols. Humana Press, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.