Dyfyniad APA

(1991). Demographic and Health Surveys World Conference (1991: Washington, D.C.). IRD/Macro International.

Dyfyniad Arddull Chicago

Demographic and Health Surveys World Conference (1991: Washington, D.C.). Columbia, MD: IRD/Macro International, 1991.

Dyfyniad MLA

Demographic and Health Surveys World Conference (1991: Washington, D.C.). IRD/Macro International, 1991.

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