Cita APA (7th ed.)

Norris, R. (2001). Ready for first certificate: Coursebook. MacMillan Heinemann English language Teaching.

Cita Chicago (17th ed.)

Norris, Roy. Ready for First Certificate: Coursebook. Oxford: MacMillan Heinemann English language Teaching, 2001.

Cita MLA (9th ed.)

Norris, Roy. Ready for First Certificate: Coursebook. MacMillan Heinemann English language Teaching, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.