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Citation

Anderson, Deborah. "How to Hatch Chickens". 3/11/08 <http://www.howtodothings.com/pets-and-animals/a3158-how-to-hatch-chicken-eggs.html>.

"Factory Farming campaign". The humane Society of the USA. 3/12/08 <http://www.hsus.org/farm/resources/animals/chickens/>.

"4-H poultry incubation project". 4-H club leaders series teaching unit l-8-1b June 30, 1914: 1-23.

Hibbert, Clare. The Life of a Chicken. Chicago: Raintree, 2004.