Dyfyniad APA
ebrary, Inc, & Roberts, R. J. (2012). Fish pathology (4th ed.). Wiley-Blackwell.
Dyfyniad Arddull Chicago
ebrary, Inc, and Ronald J. Roberts. Fish Pathology. 4th ed. Hoboken, N.J.: Wiley-Blackwell, 2012.
Dyfyniad MLA
ebrary, Inc, and Ronald J. Roberts. Fish Pathology. 4th ed. Wiley-Blackwell, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.