(1968). Logic and foundations of mathematics: Dedicated to Prof. A. Heyting on his 70th birthday. Wolters-Noordhoff Publ.
Chicago-Zitierstil (17. Ausg.)Logic and Foundations of Mathematics: Dedicated to Prof. A. Heyting on His 70th Birthday. Groningen: Wolters-Noordhoff Publ, 1968.
MLA-Zitierstil (9. Ausg.)Logic and Foundations of Mathematics: Dedicated to Prof. A. Heyting on His 70th Birthday. Wolters-Noordhoff Publ, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.