Lua APA (7ú heag.)
Scriba, C. J. (1968). The concept of number. Hochschulskripten bibliographisches institut (B.I.).
Lua i Stíl Chicago (17ú heag.)
Scriba, Christoph J. The Concept of Number. Hochschulskripten bibliographisches institut (B.I.), 1968.
Lua MLA (9ú heag.)
Scriba, Christoph J. The Concept of Number. Hochschulskripten bibliographisches institut (B.I.), 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.