APA (7th ed.) Citation

Astuti, E. M. (2011). ENGLISH ZONE for Senior High School Year XI. Erlangga.

Chicago Style (17th ed.) Citation

Astuti, Eka Mulya. ENGLISH ZONE for Senior High School Year XI. Erlangga, 2011.

MLA (8th ed.) Citation

Astuti, Eka Mulya. ENGLISH ZONE for Senior High School Year XI. Erlangga, 2011.

Warning: These citations may not always be 100% accurate.