Gaya APA
Wardiman, A. (2008).
English in focus 3 : For grade IX junior High School (SMP/MTs) (Ed.1).
Jakarta:
Pusat Pembukuan Departemen Pedidikan Nasional.
Gaya MLA
Wardiman, Artono.
"English in focus 3 : For grade IX junior High School (SMP/MTs)".
Ed.1
Jakarta:
Pusat Pembukuan Departemen Pedidikan Nasional,
2008.
Text.