Cita APA (7a ed.)

Piechurska-Kuciel, E., & Piasecka, L. (2012). Variability and stability in foreign and second language learning contexts. Cambridge Scholars.

Cita Chicago Style (17a ed.)

Piechurska-Kuciel, Ewa, y Liliana Piasecka. Variability and Stability in Foreign and Second Language Learning Contexts. Newcastle: Cambridge Scholars, 2012.

Cita MLA (8a ed.)

Piechurska-Kuciel, Ewa, y Liliana Piasecka. Variability and Stability in Foreign and Second Language Learning Contexts. Cambridge Scholars, 2012.