APA aipamena

Gardiner, A. G., & Gardiner, C. Life of George Cadbury. London: Cassel.

Chicago Style aipamena

Gardiner, A. G., και Clive Gardiner. Life of George Cadbury. London: Cassel.

MLA aipamena

Gardiner, A. G., και Clive Gardiner. Life of George Cadbury. London: Cassel.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.