Soyeong, K. (2009). Big step TOEIC 1: LC+RC. Part 1. TH.HCM.
Trích dẫn kiểu ChicagoSoyeong, Kim. Big Step TOEIC 1: LC+RC. Part 1. TH.HCM, 2009.
MLA引文Soyeong, Kim. Big Step TOEIC 1: LC+RC. Part 1. TH.HCM, 2009.
警告：這些引文格式不一定是100％准確.
APA引文