Dyfyniad APA

Herrick, H. T., & Irving, G. W. (1949). Antibiotics. Chemical publishing co Inc.

Dyfyniad Arddull Chicago

Herrick, Herace T., and George W. Irving. Antibiotics. New York: Chemical publishing co Inc, 1949.

Dyfyniad MLA

Herrick, Herace T., and George W. Irving. Antibiotics. Chemical publishing co Inc, 1949.

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