Παραπομπή σε μορφή APA (7η εκδ.)

Hallett, D., Nunes, T., Bryant, P., & Thorpe, C. (2012). Individual differences in conceptual and procedural fraction understanding: The role of abilities and school experience.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hallett, D., T. Nunes, P. Bryant, και C. Thorpe. Individual Differences in Conceptual and Procedural Fraction Understanding: The Role of Abilities and School Experience. 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hallett, D., et al. Individual Differences in Conceptual and Procedural Fraction Understanding: The Role of Abilities and School Experience. 2012.