Cita APA (7th ed.)
Silberman, C. E. The Open Classroom Reader. Vintage Books.
Cita Chicago (17th ed.)
Silberman, Charles E. The Open Classroom Reader. Nueva York, EUA: Vintage Books.
Cita MLA (9th ed.)
Silberman, Charles E. The Open Classroom Reader. Vintage Books.
Atenció: Aquestes cites poden no estar 100% correctes.