Cita APA (7a ed.)
Block, J. H., & Block, J. H. (1974). Schools, society and mastery-learning.
Cita estilo Chicago (17a ed.)
Block, James H., y James H. Block. Schools, Society and Mastery-learning. 1974.
Cita MLA (9a ed.)
Block, James H., y James H. Block. Schools, Society and Mastery-learning. 1974.
Precaución: Estas citas no son 100% exactas.