Kim Soyeong. (2009). BIG STEP TOIEIC 3. TH- TP HCM.
Chicago Style aipamenaKim Soyeong. BIG STEP TOIEIC 3. TH- TP HCM, 2009.
MLA aipamenaKim Soyeong. BIG STEP TOIEIC 3. TH- TP HCM, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena