Gaya APA
Doddy, A., Sugeng, A. (2009).
Developing English Competencies for Grade X Senior High School (SMA/MA) (cet.1).
Bandung:
Departemen Pendidikan Nasional.
Gaya MLA
Doddy, Achmad., Sugeng, Ahmad.
"Developing English Competencies for Grade X Senior High School (SMA/MA)".
cet.1
Bandung:
Departemen Pendidikan Nasional,
2009.
Text.