Não informado. (1972). Children today. Administration for Children's and Families.
Citação do estilo Chicago (17ª ed.)Não informado. Children Today. Washington: Administration for Children's and Families, 1972.
Citação MLA (8ª ed.)Não informado. Children Today. Administration for Children's and Families, 1972.
警告：這些引文格式不一定是100％准確.