APA (7e ed.) Bronvermelding

Freudenthal, H. (1962). Algebraical and topological foundations of geometry. Pergamon.

Chicago (17e ed.) Bronvermelding

Freudenthal, Hans. Algebraical and Topological Foundations of Geometry. New York: Pergamon, 1962.

MLA (9e ed.) Bronvermelding

Freudenthal, Hans. Algebraical and Topological Foundations of Geometry. Pergamon, 1962.

Let op: Deze citaties zijn niet altijd 100% accuraat.