Drake, F. (1996). Intermediate set theory. John Wiley.
Cita Chicago (17th ed.)Drake, F.R. Intermediate Set Theory. Chichester: John Wiley, 1996.
Cita MLA (9th ed.)Drake, F.R. Intermediate Set Theory. John Wiley, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.