Cita APA

Quintana, J. (2004). New headway english course PET practice tests: Teacher's guide-answer key (Rev. for 2004 update.). London: Oxford University Press.

Citación estilo Chicago

Quintana, Jenny. New Headway English Course PET Practice Tests: Teacher's Guide-answer Key. Rev. for 2004 update. London: Oxford University Press, 2004.

Cita MLA

Quintana, Jenny. New Headway English Course PET Practice Tests: Teacher's Guide-answer Key. Rev. for 2004 update. London: Oxford University Press, 2004.