APA Citation

Cecilia Dwi Astuti, & Sudarso. (2015). Interactive english worktext for junior high school untuk kelas IX SMP. Jawa Barat: Yudhistira.

Chicago Style Citation

Cecilia Dwi Astuti, and Sudarso. Interactive English Worktext for Junior High School Untuk Kelas IX SMP. Jawa Barat: Yudhistira, 2015.

MLA Citation

Cecilia Dwi Astuti, and Sudarso. Interactive English Worktext for Junior High School Untuk Kelas IX SMP. Jawa Barat: Yudhistira, 2015.

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