Biggs, B. (2006). Hedge hogging. Wiley.
Chicago Style aipamenaBiggs, Barton. Hedge Hogging. Hoboken, N.J.: Wiley, 2006.
MLA aipamenaBiggs, Barton. Hedge Hogging. Wiley, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Biggs, B. (2006). Hedge hogging. Wiley.
Chicago Style aipamenaBiggs, Barton. Hedge Hogging. Hoboken, N.J.: Wiley, 2006.
MLA aipamenaBiggs, Barton. Hedge Hogging. Wiley, 2006.