Gaya APA
Widyantoro, A.
(2005).
Developing Competence in English for junior High School Year IX
.
Surakarta:
Mediatama.
Gaya MLA
Widyantoro, Agus.
"Developing Competence in English for junior High School Year IX".
Surakarta:
Mediatama,
2005.
Text.