Astuti, E. M. (2011). ENGLISH ZONE for Senior High School Year XI. Erlangga.
Chicago Style (17th ed.) CitationAstuti, Eka Mulya. ENGLISH ZONE for Senior High School Year XI. Erlangga, 2011.
MLA引文Astuti, Eka Mulya. ENGLISH ZONE for Senior High School Year XI. Erlangga, 2011.
警告:这些引文格式不一定是100%准确.