Copage, J. (2000). First certificate: Writing. Longmans.
Cita Chicago Style (17a ed.)Copage, Judy. First Certificate: Writing. England: Longmans, 2000.
Cita MLA (9a ed.)Copage, Judy. First Certificate: Writing. Longmans, 2000.
Precaución: Estas citas no son 100% exactas.