Dyfyniad APA

Carlton, K., & Parkinson, E. (1994). Physical sciences: A primary teacher's guide. Cassell.

Dyfyniad Arddull Chicago

Carlton, Kevin, and Eric Parkinson. Physical Sciences: A Primary Teacher's Guide. London ; New York: Cassell, 1994.

Dyfyniad MLA

Carlton, Kevin, and Eric Parkinson. Physical Sciences: A Primary Teacher's Guide. Cassell, 1994.

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