Cita APA

Grebenik, E., & Hill, A. (1974). International demographic terminology: Fertility, family planning and nuptiality. Liège, Belgium: International Union for the scientific study of population.

Citación estilo Chicago

Grebenik, Eugene, y A. Hill. International Demographic Terminology: Fertility, Family Planning and Nuptiality. Liège, Belgium: International Union for the scientific study of population, 1974.

Cita MLA

Grebenik, Eugene, y A. Hill. International Demographic Terminology: Fertility, Family Planning and Nuptiality. Liège, Belgium: International Union for the scientific study of population, 1974.