Cita APA (7a ed.)

Dowker, A. (2008). Mathematical difficulties: Psychology and intervention. Academic Press.

Cita Chicago Style (17a ed.)

Dowker, Ann. Mathematical Difficulties: Psychology and Intervention. San Diego, CA: Academic Press, 2008.

Cita MLA (8a ed.)

Dowker, Ann. Mathematical Difficulties: Psychology and Intervention. Academic Press, 2008.