APA aipamena

Tim Falla, P. A. D. (2008). Solutions Pre- Intermediate. Oxford Unversity Press.

Chicago Style aipamena

Tim Falla, Paul A Davies. Solutions Pre- Intermediate. Oxford Unversity Press, 2008.

MLA aipamena

Tim Falla, Paul A Davies. Solutions Pre- Intermediate. Oxford Unversity Press, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.