Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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