Dyfyniad APA

Cowan, M. K. (2006). Microbiology: A systems approach. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Cowan, Marjorie Kelly. Microbiology: A Systems Approach. New York: McGraw-Hill, 2006.

Dyfyniad MLA

Cowan, Marjorie Kelly. Microbiology: A Systems Approach. New York: McGraw-Hill, 2006.

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