Moore C. Claire & Lee E. Elizabeth. (2007). New Step Ahead 1: Student's Book. Recanati, ELi, 2007.
Chicago Style (17th ed.) CitationMoore C. Claire and Lee E. Elizabeth. New Step Ahead 1: Student's Book. Recanati, ELi, 2007, 2007.
MLA (9th ed.) CitationMoore C. Claire and Lee E. Elizabeth. New Step Ahead 1: Student's Book. Recanati, ELi, 2007, 2007.
Warning: These citations may not always be 100% accurate.