APA (7th ed.) Zitazioa

BARKER, S. F. (1964). Philosophy of mathematics. Cliffs, Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

BARKER, Stephen F. Philosophy of Mathematics. Englewood: Cliffs, Prentice-Hall, 1964.

MLA (9th ed.) Zitazioa

BARKER, Stephen F. Philosophy of Mathematics. Cliffs, Prentice-Hall, 1964.