Gaya APA

Lynch, J, L., Brooks, R. (2013). Low Birth Weight and Parental Investment: Do Parents Favor the Fittest Child? . : Wiley-Blackwell.

Gaya MLA

Lynch, Jamie, L.., Brooks, Ryan. "Low Birth Weight and Parental Investment: Do Parents Favor the Fittest Child?". : Wiley-Blackwell, 2013. e-journal.