Lougheed, l. (2007). Longman. Preparation series for the new TOEIC test intermediate course. Pearson Education.
芝加哥风格引文Lougheed, lin. Longman. Preparation Series for the New TOEIC Test Intermediate Course. Pearson Education, 2007.
MLA引文Lougheed, lin. Longman. Preparation Series for the New TOEIC Test Intermediate Course. Pearson Education, 2007.
警告：这些引文格式不一定是100％准确.