International Congress of Logic, Methodology and Philosophy of Science London, Ontario, & Butts, R. E. (1977). Proceedings of the fifth International Congress of Logic, Methodology and Philosophy of Science, London, Ontario, Canada - 1975. Reidel.
Chicago-Zitierstil (17. Ausg.)International Congress of Logic, Methodology and Philosophy of Science London, Ontario, und Robert E. Butts. Proceedings of the Fifth International Congress of Logic, Methodology and Philosophy of Science, London, Ontario, Canada - 1975. Dordrecht [u.a.]: Reidel, 1977.
MLA-Zitierstil (9. Ausg.)International Congress of Logic, Methodology and Philosophy of Science London, Ontario, und Robert E. Butts. Proceedings of the Fifth International Congress of Logic, Methodology and Philosophy of Science, London, Ontario, Canada - 1975. Reidel, 1977.