APA aipamena

Axbey, S. (2003). Real Time America: Student´s book 2B. Richmond Publishing.

Chicago Style aipamena

Axbey, Susan. Real Time America: Student´s Book 2B. Richmond Publishing, 2003.

MLA aipamena

Axbey, Susan. Real Time America: Student´s Book 2B. Richmond Publishing, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.