Não informado. (1980). New Directions for Teaching and Learning. Jessey Bass Publishers.
Cita Chicago Style (17a ed.)Não informado. New Directions for Teaching and Learning. San Francisco, Calif: Jessey Bass Publishers, 1980.
Cita MLA (8a ed.)Não informado. New Directions for Teaching and Learning. Jessey Bass Publishers, 1980.
Precaución: Estas citas no son 100% exactas.