Cita APA (7th ed.)
Orem, R. (1966). A Montessori handbook: Dr. Montessori's own handbook, with additional new material en current Montessori theory and practice.
Cita Chicago (17th ed.)
Orem, R.C. A Montessori Handbook: Dr. Montessori's Own Handbook, with Additional New Material En Current Montessori Theory and Practice. 1966.
Cita MLA (9th ed.)
Orem, R.C. A Montessori Handbook: Dr. Montessori's Own Handbook, with Additional New Material En Current Montessori Theory and Practice. 1966.
Atenció: Aquestes cites poden no estar 100% correctes.