Cita APA (7th ed.)
ebrary, Inc, & Detlefsen, M. (1992). Proof and knowledge in mathematics. Routledge.
Cita Chicago (17th ed.)
ebrary, Inc, i Michael Detlefsen. Proof and Knowledge in Mathematics. London ; New York: Routledge, 1992.
Cita MLA (9th ed.)
ebrary, Inc, i Michael Detlefsen. Proof and Knowledge in Mathematics. Routledge, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.