Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service) & Karadag, E. (2017). The Factors Effecting Student Achievement: Meta-Analysis of Empirical Studies. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service) και Engin Karadag. The Factors Effecting Student Achievement: Meta-Analysis of Empirical Studies. Cham: Springer International Publishing : Imprint: Springer, 2017.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service) και Engin Karadag. The Factors Effecting Student Achievement: Meta-Analysis of Empirical Studies. Springer International Publishing : Imprint: Springer, 2017.