Ferrar, W. L. A text-book of convergence. Clarendon Press.
Chicago Style aipamenaFerrar, William Leonard. A Text-book of Convergence. Oxford: Clarendon Press.
MLA aipamenaFerrar, William Leonard. A Text-book of Convergence. Clarendon Press.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.