Não informado. (1978). Social work in education. National Association of Social Workers.
Citação do estilo Chicago (17ª ed.)Não informado. Social Work in Education. Silver Spring, Md: National Association of Social Workers, 1978.
Citação MLA (8ª ed.)Não informado. Social Work in Education. National Association of Social Workers, 1978.
警告：这些引文格式不一定是100％准确.