MLA

GabryÅ›-Barker, Danuta, et al. Investigations In Teaching and Learning Languages. Springer International Publishing, 2013.

APA

GabryÅ›-Barker, D., Gabryś-Barker, D., Piechurska-Kuciel, E., & Zybert, J. (2013). Investigations in Teaching and Learning Languages. Springer International Publishing.

Chicago

GabryÅ›-Barker, Danuta, Danuta Gabryś-Barker, Ewa Piechurska-Kuciel, and Jerzy Zybert. Investigations In Teaching and Learning Languages. : Springer International Publishing, 2013.