Sainsbury, R. M. (1996). Frege and Russell. The Blackwell Companion to Philosophy.
Chicago-Zitierstil (17. Ausg.)Sainsbury, R. M. "Frege and Russell." The Blackwell Companion to Philosophy 1996.
MLA-Zitierstil (8. Ausg.)Sainsbury, R. M. "Frege and Russell." The Blackwell Companion to Philosophy, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.