Dyfyniad APA
Block, J. H., & Efthim, H. E. a. B. (1989). Building effective mastery learning schools. Longman.
Dyfyniad Arddull Chicago
Block, James H., and Helen E. and Burns Efthim. Building Effective Mastery Learning Schools. New York: Longman, 1989.
Dyfyniad MLA
Block, James H., and Helen E. and Burns Efthim. Building Effective Mastery Learning Schools. Longman, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.