APA aipamena

Ling, J., & Smith, A. (2001). English: Workbook. Federal Publications.

Chicago Style aipamena

Ling, Judy, and Anne Smith. English: Workbook. Singapore: Federal Publications, 2001.

MLA aipamena

Ling, Judy, and Anne Smith. English: Workbook. Federal Publications, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.