Cita APA (7th ed.)

Population Reports: Population Information Program. The John Hopkims Universtity School of Hygiene and Public Health. Population Information Program.

Cita Chicago (17th ed.)

Population Reports: Population Information Program. The John Hopkims Universtity School of Hygiene and Public Health. Maryland, Estados Unidos: Population Information Program.

Cita MLA (9th ed.)

Population Reports: Population Information Program. The John Hopkims Universtity School of Hygiene and Public Health. Population Information Program.

Atenció: Aquestes cites poden no estar 100% correctes.