Citazione Stile APA (7a Edizione)

Grouws, D. A., & Cebulla, K. J. (2000). Improving student achievement in mathematics. International Academy of Education.

Citazione stile Chigago Style (17a edizione)

Grouws, Douglas A., e Kristin J. Cebulla. Improving Student Achievement in Mathematics. Brussells: International Academy of Education, 2000.

Citatione MLA (9a ed.)

Grouws, Douglas A., e Kristin J. Cebulla. Improving Student Achievement in Mathematics. International Academy of Education, 2000.