Dyfyniad APA

Roberts, L. S., & Janovy, J. (2000). Gerald D. Schmidt & Larry S. Roberts' foundations of parasitology (6th ed.). Boston: McGraw Hill.

Dyfyniad Arddull Chicago

Roberts, Larry S., và John Janovy. Gerald D. Schmidt & Larry S. Roberts' Foundations of Parasitology. 6th ed. Boston: McGraw Hill, 2000.

Dyfyniad MLA

Roberts, Larry S., và John Janovy. Gerald D. Schmidt & Larry S. Roberts' Foundations of Parasitology. 6th ed. Boston: McGraw Hill, 2000.

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