APA-referens (7:e uppl.)

Dowker, A., & Fritz, A. (2019). Children’s mathematical learning difficulties: Some contributory factors and interventions. Springer.

Chicago-referens (17:e uppl.)

Dowker, A., och A. Fritz. Children’s Mathematical Learning Difficulties: Some Contributory Factors and Interventions. Springer, 2019.

MLA-referens (9:e uppl.)

Dowker, A., och A. Fritz. Children’s Mathematical Learning Difficulties: Some Contributory Factors and Interventions. Springer, 2019.