Cita APA (7th ed.)

Kenny, N., & Kelly, A. (2001). Ready for pet. MacMillan Heinemann English language Teaching.

Cita Chicago (17th ed.)

Kenny, Nick, i Anne Kelly. Ready for Pet. Oxford: MacMillan Heinemann English language Teaching, 2001.

Cita MLA (9th ed.)

Kenny, Nick, i Anne Kelly. Ready for Pet. MacMillan Heinemann English language Teaching, 2001.