Dyfyniad APA

VanCleave, J. P. (1997). Janice VanCleave's play and find out about nature: Easy experiments for young children. Wiley.

Dyfyniad Arddull Chicago

VanCleave, Janice Pratt. Janice VanCleave's Play and Find Out About Nature: Easy Experiments for Young Children. New York: Wiley, 1997.

Dyfyniad MLA

VanCleave, Janice Pratt. Janice VanCleave's Play and Find Out About Nature: Easy Experiments for Young Children. Wiley, 1997.

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