Cita APA (7th ed.)
Patrick Blackburn, H. D. Tools for Teaching Logic: Third International Congress, TICTTL 2011, Salamanca, Spain, June 1-4, 2011, Proceedings. Springer.
Cita Chicago (17th ed.)
Patrick Blackburn, Hans Ditmarsch. Tools for Teaching Logic: Third International Congress, TICTTL 2011, Salamanca, Spain, June 1-4, 2011, Proceedings. Berlín, Alemania: Springer.
Cita MLA (9th ed.)
Patrick Blackburn, Hans Ditmarsch. Tools for Teaching Logic: Third International Congress, TICTTL 2011, Salamanca, Spain, June 1-4, 2011, Proceedings. Springer.
Atenció: Aquestes cites poden no estar 100% correctes.