Cita APA (7th ed.)
Block, J. H., & Efthim, H. E. a. B. (1989). Building effective mastery learning schools. Longman.
Cita Chicago (17th ed.)
Block, James H., i Helen E. and Burns Efthim. Building Effective Mastery Learning Schools. New York: Longman, 1989.
Cita MLA (9th ed.)
Block, James H., i Helen E. and Burns Efthim. Building Effective Mastery Learning Schools. Longman, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.