Gaya APA

Doddy, A., Sugeng, A. (2009). Developing English Competencies for Grade XII of Natural and Social Science Programmes (cet.1). Jakarta: Departemen Pendidikan Nasional.

Gaya MLA

Doddy, Achmad., Sugeng, Ahmad. "Developing English Competencies for Grade XII of Natural and Social Science Programmes". cet.1 Jakarta: Departemen Pendidikan Nasional, 2009. Text.