Dyfyniad APA

ebrary, Inc, & Doran, R. L. (2002). Science educator's guide to laboratory assessment (2nd enlarged ed.). National Science Teachers Association.

Dyfyniad Arddull Chicago

ebrary, Inc, and Rodney L. Doran. Science Educator's Guide to Laboratory Assessment. 2nd enlarged ed. Arlington, Va.: National Science Teachers Association, 2002.

Dyfyniad MLA

ebrary, Inc, and Rodney L. Doran. Science Educator's Guide to Laboratory Assessment. 2nd enlarged ed. National Science Teachers Association, 2002.

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