APA-Zitierstil (7. Ausg.)

(1979). Children learning geometry: Foundation activities in shape (5-9). A handbook for teachers. Harper & Row.

Chicago-Zitierstil (17. Ausg.)

Children Learning Geometry: Foundation Activities in Shape (5-9). A Handbook for Teachers. London: Harper & Row, 1979.

MLA-Zitierstil (9. Ausg.)

Children Learning Geometry: Foundation Activities in Shape (5-9). A Handbook for Teachers. Harper & Row, 1979.