Kenny N. Nick. (1999). Proficincy PassKey. Student's Book. Oxford, Macmillan Publishers Limited, 1999.
Citación estilo ChicagoKenny N. Nick. Proficincy PassKey. Student's Book. Oxford, Macmillan Publishers Limited, 1999, 1999.
Cita MLAKenny N. Nick. Proficincy PassKey. Student's Book. Oxford, Macmillan Publishers Limited, 1999, 1999.
Warning: These citations may not always be 100% accurate.