APA aipamena

Biggs, B. (2006). Hedgehogging. Hoboken, NJ: John Wiley & Son.

Chicago Style aipamena

Biggs, Barton. Hedgehogging. Hoboken, NJ: John Wiley & Son, 2006.

MLA aipamena

Biggs, Barton. Hedgehogging. Hoboken, NJ: John Wiley & Son, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.