Παραπομπή σε μορφή APA (7η εκδ.)

International Colloquium "Constructivity in Mathematics" Amsterdam, Netherlands, & Heyting, A. (1959). Constructivity in mathematics: Proceedinds of the Colloquium held at Amsterdam, 1957. North-Holland.

Παραπομπή σε μορφή Chicago (17η εκδ.)

International Colloquium "Constructivity in Mathematics" Amsterdam, Netherlands, και A. Heyting. Constructivity in Mathematics: Proceedinds of the Colloquium Held at Amsterdam, 1957. Amsterdam: North-Holland, 1959.

Παραπομπή σε μορφή MLA (8th εκδ.)

International Colloquium "Constructivity in Mathematics" Amsterdam, Netherlands, και A. Heyting. Constructivity in Mathematics: Proceedinds of the Colloquium Held at Amsterdam, 1957. North-Holland, 1959.