Citazione Stile APA (7a Edizione)

North, M. O., & Bell, D. D. (1990). Commercial chicken production manual (4th ed.). Van Nostrand Reinhold.

Citazione stile Chigago Style (17a edizione)

North, Mack O., e Donald D. Bell. Commercial Chicken Production Manual. 4th ed. New York: Van Nostrand Reinhold, 1990.

Citatione MLA (9a ed.)

North, Mack O., e Donald D. Bell. Commercial Chicken Production Manual. 4th ed. Van Nostrand Reinhold, 1990.