Παραπομπή APA

Bird, R. (2013). The dyscalculia toolkit: Supporting learning difficulties in maths (2.). Sage.

Παραπομπή Chicago Style

Bird, Ronit. The Dyscalculia Toolkit: Supporting Learning Difficulties in Maths. 2. London: Sage, 2013.

Παραπομπή MLA

Bird, Ronit. The Dyscalculia Toolkit: Supporting Learning Difficulties in Maths. 2. Sage, 2013.