Moore C. Claire. (2007). New Step Ahead 3: Student's Book. Recanati, ELi, 2007.
Chicago Style (17th ed.) CitationMoore C. Claire. New Step Ahead 3: Student's Book. Recanati, ELi, 2007, 2007.
MLA引文Moore C. Claire. New Step Ahead 3: Student's Book. Recanati, ELi, 2007, 2007.
警告:這些引文格式不一定是100%准確.