Cita APA

Appleyard, R. Ducks: Breeding, rearing and management (4.). Poultry world Ltd.

Chicago Edition Citation

Appleyard, Reginald. Ducks: Breeding, Rearing and Management. 4. London: Poultry world Ltd.

Cita MLA

Appleyard, Reginald. Ducks: Breeding, Rearing and Management. 4. Poultry world Ltd.