Gaya APA
My English Workbook for junior high school student year IX. (2008).
Jakarta:
Erlangga.
Gaya Chicago
My English Workbook for junior high school student year IX.
.
Jakarta:
Erlangga,
2008.
Buku.
Gaya MLA
My English Workbook for junior high school student year IX.
.
Jakarta:
Erlangga,
2008.
Buku.
Gaya Turabian
My English Workbook for junior high school student year IX.
Jakarta:
Erlangga,
2008.
Buku.