United Nations. Dept. of Economic and Social Affairs. International directory of organizations concerned with the aging. United Nations.
Citação do estilo Chicago (17ª ed.)United Nations. Dept. of Economic and Social Affairs. International Directory of Organizations Concerned with the Aging. New York,: United Nations.
Citação MLA (8ª ed.)United Nations. Dept. of Economic and Social Affairs. International Directory of Organizations Concerned with the Aging. United Nations.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.