Dyfyniad APA

Puffer, R. R., & Serrano, C. V. (1973). Patterns of Mortality in Childhood.

Dyfyniad Arddull Chicago

Puffer, Rice Ruth, and Carlos V. Serrano. Patterns of Mortality in Childhood. 1973.

Dyfyniad MLA

Puffer, Rice Ruth, and Carlos V. Serrano. Patterns of Mortality in Childhood. 1973.

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