APA aipamena

Nyarko, K. A., Lopez-Camelo, J., Castilla, E. E., & Wehby, G. L. (2012). Does the relationship between prenatal care and birth weight vary by oral clefts? Evidence using South American and U.S. samples.

Chicago Style aipamena

Nyarko, Kwame A., Jorge Lopez-Camelo, Eduardo E. Castilla, and George L. Wehby. Does the Relationship between Prenatal Care and Birth Weight Vary By Oral Clefts? Evidence Using South American and U.S. Samples. 2012.

MLA aipamena

Nyarko, Kwame A., Jorge Lopez-Camelo, Eduardo E. Castilla, and George L. Wehby. Does the Relationship between Prenatal Care and Birth Weight Vary By Oral Clefts? Evidence Using South American and U.S. Samples. 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.