Cita APA

(1977). WFS modules: Abortion, factors other than contraception affecting fertility, family planning, general mortality. [Voorburg, The Hague, Netherlands]: [International Statistical Institute].

Citación estilo Chicago

WFS Modules: Abortion, Factors Other Than Contraception Affecting Fertility, Family Planning, General Mortality. [Voorburg, The Hague, Netherlands]: [International Statistical Institute], 1977.

Cita MLA

WFS Modules: Abortion, Factors Other Than Contraception Affecting Fertility, Family Planning, General Mortality. [Voorburg, The Hague, Netherlands]: [International Statistical Institute], 1977.