APA aipamena

Wood, I., & Pile, l. (2001). Pass Cambridge BEC Preliminary. Summertown Publishing.

Chicago Style aipamena

Wood, Ian, and louse Pile. Pass Cambridge BEC Preliminary. Oxford: Summertown Publishing, 2001.

MLA aipamena

Wood, Ian, and louse Pile. Pass Cambridge BEC Preliminary. Summertown Publishing, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.