Dyfyniad APA

Bardoody, A. J., & Dowker, A. The development of arithmetic concepts and skills: Constructing adaptive expertise.

Dyfyniad Arddull Chicago

Bardoody, Arthur J., and Ann Dowker. The Development of Arithmetic Concepts and Skills: Constructing Adaptive Expertise.

Dyfyniad MLA

Bardoody, Arthur J., and Ann Dowker. The Development of Arithmetic Concepts and Skills: Constructing Adaptive Expertise.

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