Dyfyniad APA

 Roberts, L. S. (2005).  D Gerald. Schmidt & Larry S. Roberts’ foundations of parasitology.  McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

 Roberts, Larry S.  D Gerald. Schmidt & Larry S. Roberts’ Foundations of Parasitology.  McGraw-Hill Higher Education, 2005.

Dyfyniad MLA

 Roberts, Larry S.  D Gerald. Schmidt & Larry S. Roberts’ Foundations of Parasitology.  McGraw-Hill Higher Education, 2005.

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