Dyfyniad APA

Bell, M. L., Ebisu, K., & Belanger, K. (2008). Air Pollution and Birth Weight: Bell et al. Respond. National Institute of Environmental Health Sciences.

Dyfyniad Arddull Chicago

Bell, Michelle L., Keita Ebisu, and Kathleen Belanger. Air Pollution and Birth Weight: Bell Et Al. Respond. National Institute of Environmental Health Sciences, 2008.

Dyfyniad MLA

Bell, Michelle L., Keita Ebisu, and Kathleen Belanger. Air Pollution and Birth Weight: Bell Et Al. Respond. National Institute of Environmental Health Sciences, 2008.

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