Παραπομπή σε μορφή APA (7η εκδ.)

Harfitt, G. J. (2015). Class Size Reduction: Key Insights from Secondary School Classrooms. Springer Singapore : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Harfitt, Gary James. Class Size Reduction: Key Insights from Secondary School Classrooms. Singapore: Springer Singapore : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

Harfitt, Gary James. Class Size Reduction: Key Insights from Secondary School Classrooms. Springer Singapore : Imprint: Springer, 2015.