Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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