Dyfyniad APA

Billick, I. H., Curran, A. S., & Shier, D. R. (1979). Analysis of pediatric blood lead levels in New York City for 1970-1976.

Dyfyniad Arddull Chicago

Billick, I H., A S. Curran, and D R. Shier. Analysis of Pediatric Blood Lead Levels in New York City for 1970-1976. 1979.

Dyfyniad MLA

Billick, I H., A S. Curran, and D R. Shier. Analysis of Pediatric Blood Lead Levels in New York City for 1970-1976. 1979.

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