Niiniluoto, I. (1984). Is science progressiven. D. Reidel Pub.
Lua i Stíl Chicago (17ú heag.)Niiniluoto, Ilkka. Is Science Progressiven. Dordrecht: D. Reidel Pub, 1984.
Lua MLA (9ú heag.)Niiniluoto, Ilkka. Is Science Progressiven. D. Reidel Pub, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.