Donald D Bell. (2001). Commercial chicken meat and egg production (Fifth.). Springer.
Chicago Style aipamenaDonald D Bell. Commercial Chicken Meat and Egg Production. Fifth. Springer, 2001.
MLA aipamenaDonald D Bell. Commercial Chicken Meat and Egg Production. Fifth. Springer, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.