Dyfyniad APA

Ryland, S., & Raggers, H. (1998). Childhood morbidity and treatment patterns. Macro International, Inc.

Dyfyniad Arddull Chicago

Ryland, Shane, and Hendrik Raggers. Childhood Morbidity and Treatment Patterns. Calverton, MD: Macro International, Inc, 1998.

Dyfyniad MLA

Ryland, Shane, and Hendrik Raggers. Childhood Morbidity and Treatment Patterns. Macro International, Inc, 1998.

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