Gaya APA
Widyantoro, A. et al (2006).
Developing Competence In English For Junior High School Year IX (Cet. 1).
Surakarta:
CV. Mediatama.
Gaya MLA
Widyantoro, Agus. et al.
"Developing Competence In English For Junior High School Year IX".
Cet. 1
Surakarta:
CV. Mediatama,
2006.
Text.