Gaya APA
Revise GCSE Complete Study and Revision Guide Business Studies. (2007).
London:
Lets Educational.
Gaya Chicago
Revise GCSE Complete Study and Revision Guide Business Studies.
.
London:
Lets Educational,
2007.
Buku.
Gaya MLA
Revise GCSE Complete Study and Revision Guide Business Studies.
.
London:
Lets Educational,
2007.
Buku.
Gaya Turabian
Revise GCSE Complete Study and Revision Guide Business Studies.
London:
Lets Educational,
2007.
Buku.