Coles, A. Engaging in mathematics in the classroom: Symbols and experiences.
استشهاد بنمط شيكاغوColes, Alf. Engaging in Mathematics in the Classroom: Symbols and Experiences.
MLA استشهادColes, Alf. Engaging in Mathematics in the Classroom: Symbols and Experiences.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.