Gaya APA
Dransfield, R., King, J. (2017).
International GCSE Business: Oxford International AQA Examinations .
Oxford:
Oxford University Press.
Gaya MLA
Dransfield, Robert., King, Jane.
"International GCSE Business: Oxford International AQA Examinations".
Oxford:
Oxford University Press,
2017.
Karya Cetak.