Παραπομπή σε μορφή APA (7η εκδ.)

Glenn, J. A. (1979). Children learning geometry. Foundation activities in shape: A handbook for teachers. Harper and Row.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Glenn, J. A. Children Learning Geometry. Foundation Activities in Shape: A Handbook for Teachers. London: Harper and Row, 1979.

Παραπομπή σε μορφή MLA (9th εκδ.)

Glenn, J. A. Children Learning Geometry. Foundation Activities in Shape: A Handbook for Teachers. Harper and Row, 1979.