APA aipamena

Kim Soyeong. (2009). BIG STEP TOEIC LC+RC. TP.HCM: Tổng hợp.

Chicago Style aipamena

Kim Soyeong. BIG STEP TOEIC LC+RC. TP.HCM: Tổng hợp, 2009.

MLA aipamena

Kim Soyeong. BIG STEP TOEIC LC+RC. TP.HCM: Tổng hợp, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.