Dyfyniad APA

ebrary, Inc, Wilson, M. R., & Bertenthal, M. W. (2005). Systems for state science assessment. National Academies Press.

Dyfyniad Arddull Chicago

ebrary, Inc, Mark R. Wilson, and Meryl W. Bertenthal. Systems for State Science Assessment. Washington, DC: National Academies Press, 2005.

Dyfyniad MLA

ebrary, Inc, et al. Systems for State Science Assessment. National Academies Press, 2005.

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