Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.