Lua APA (7ú heag.)
ebrary, Inc, & Schirn, M. (1996). Frege: Importance and legacy. Walter de Gruyter.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Matthias Schirn. Frege: Importance and Legacy. Berlin ; New York: Walter de Gruyter, 1996.
Lua MLA (9ú heag.)
ebrary, Inc, agus Matthias Schirn. Frege: Importance and Legacy. Walter de Gruyter, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.