Dyfyniad APA

Willey, J. M., Sherwood, L., Woolverton, C. J., & Prescott, L. M. (2011). Microbiology (8th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Willey, Joanne M., Linda Sherwood, Christopher J. Woolverton, and Lansing M. Prescott. Microbiology. 8th ed. New York: McGraw-Hill, 2011.

Dyfyniad MLA

Willey, Joanne M., et al. Microbiology. 8th ed. McGraw-Hill, 2011.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.