APA استشهاد

Li, J., Dow, W. H., & Rosero Bixby, L. (2014). The declining effect of sibling size on children's education in Costa Rica.

استشهاد بنمط شيكاغو

Li, Jing, William H. Dow, و Luis Rosero Bixby. The Declining Effect of Sibling Size On Children's Education in Costa Rica. 2014.

MLA استشهاد

Li, Jing, William H. Dow, و Luis Rosero Bixby. The Declining Effect of Sibling Size On Children's Education in Costa Rica. 2014.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.