Gaya APA
Revise A2 Complete Study & Revision Guide. (2008).
London:
letts Educational.
Gaya Chicago
Revise A2 Complete Study & Revision Guide.
.
London:
letts Educational,
2008.
Buku.
Gaya MLA
Revise A2 Complete Study & Revision Guide.
.
London:
letts Educational,
2008.
Buku.
Gaya Turabian
Revise A2 Complete Study & Revision Guide.
London:
letts Educational,
2008.
Buku.