Gaya APA
Primary English Knowledge and Understanding. (2012).
London:
SAGE.
Gaya Chicago
Primary English Knowledge and Understanding.
6th Edition.
London:
SAGE,
2012.
Buku.
Gaya MLA
Primary English Knowledge and Understanding.
6th Edition.
London:
SAGE,
2012.
Buku.
Gaya Turabian
Primary English Knowledge and Understanding.
London:
SAGE,
2012.
Buku.