Não informado. (1980). New Directions for Teaching and Learning. Jessey Bass Publishers.
Citação do estilo Chicago (17ª ed.)Não informado. New Directions for Teaching and Learning. San Francisco, Calif: Jessey Bass Publishers, 1980.
Citação MLA (8ª ed.)Não informado. New Directions for Teaching and Learning. Jessey Bass Publishers, 1980.
警告：這些引文格式不一定是100％准確.