APA-Zitierstil (7. Ausg.)

Kohl, H. R. (1977). Writings, maths and games in the open classroom. Methuen.

Chicago-Zitierstil (17. Ausg.)

Kohl, Herbert R. Writings, Maths and Games in the Open Classroom. London: Methuen, 1977.

MLA-Zitierstil (9. Ausg.)

Kohl, Herbert R. Writings, Maths and Games in the Open Classroom. Methuen, 1977.