Ushioda, E., & Rubio, F. Self-esteem and foreign language learning.
Chicago Style aipamenaUshioda, Ema., và Fernando Rubio. Self-esteem and Foreign Language Learning.
MLA aipamenaUshioda, Ema., và Fernando Rubio. Self-esteem and Foreign Language Learning.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.