Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Piechurska-Kuciel, E., Szymańska-Czaplak, E., & Szyszka, M. (2017). At the Crossroads: Challenges of Foreign Language Learning. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Ewa Piechurska-Kuciel, Elżbieta Szymańska-Czaplak, και Magdalena Szyszka. At the Crossroads: Challenges of Foreign Language Learning. Cham: Springer International Publishing : Imprint: Springer, 2017.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. At the Crossroads: Challenges of Foreign Language Learning. Springer International Publishing : Imprint: Springer, 2017.