Dyfyniad APA

Jarrell, J., Chan, S., Hauser, R., & Hu, H. (2005). Longitudinal assessment of PCBs and chlorinated pesticides in pregnant women from Western Canada. BioMed Central.

Dyfyniad Arddull Chicago

Jarrell, John, Siu Chan, Russ Hauser, and Howard Hu. Longitudinal Assessment of PCBs and Chlorinated Pesticides in Pregnant Women From Western Canada. BioMed Central, 2005.

Dyfyniad MLA

Jarrell, John, Siu Chan, Russ Hauser, and Howard Hu. Longitudinal Assessment of PCBs and Chlorinated Pesticides in Pregnant Women From Western Canada. BioMed Central, 2005.

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