Gaya APA

Developing English Competencies 2 : For Senior High School (SMA/MA). (2009). Jakarta: Departemen Pendidikan Nasional.

Gaya Chicago

Developing English Competencies 2 : For Senior High School (SMA/MA). . Jakarta: Departemen Pendidikan Nasional, 2009. Printed Book.

Gaya MLA

Developing English Competencies 2 : For Senior High School (SMA/MA). . Jakarta: Departemen Pendidikan Nasional, 2009. Printed Book.

Gaya Turabian

Developing English Competencies 2 : For Senior High School (SMA/MA). Jakarta: Departemen Pendidikan Nasional, 2009. Printed Book.