Cita APA (7th ed.)
(2010). Measuring the economically active in population censuses: A handbook. United Nations, Department of Economic and Social Affairs.
Cita Chicago (17th ed.)
Measuring the Economically Active in Population Censuses: A Handbook. New York: United Nations, Department of Economic and Social Affairs, 2010.
Cita MLA (9th ed.)
Measuring the Economically Active in Population Censuses: A Handbook. United Nations, Department of Economic and Social Affairs, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.