Logic Colloquium Oxford, Association for Symbolic Logic, North Atlantic Treaty Organization, International Union of the History and Philosophy of Science. Division of Logic, Methodology and Philosophy of Science, Symposium on Recursive Functions, Crossley, J. N., & Dummett, M. A. E. (1965). Formal systems and recursive functions: Proceedings. North-Holland Pub. Co.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিLogic Colloquium Oxford, Association for Symbolic Logic, North Atlantic Treaty Organization, Methodology and Philosophy of Science International Union of the History and Philosophy of Science. Division of Logic, Symposium on Recursive Functions, John N. Crossley, এবং Michael A. E. Dummett. Formal Systems and Recursive Functions: Proceedings. Amsterdam: North-Holland Pub. Co, 1965.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিLogic Colloquium Oxford, et al. Formal Systems and Recursive Functions: Proceedings. North-Holland Pub. Co, 1965.