Symons, J., Pombo, O., & Torres, J. M. (2011). Otto Neurath and the unity of science: John Symons, Olga Pombo, Juan Manuel Torres eds. Springer.
Lua i Stíl Chicago (17ú heag.)Symons, John, Olga Pombo, agus Juan Manuel Torres. Otto Neurath and the Unity of Science: John Symons, Olga Pombo, Juan Manuel Torres Eds. Dordrecht [u.a.]: Springer, 2011.
Lua MLA (8ú heag.)Symons, John, et al. Otto Neurath and the Unity of Science: John Symons, Olga Pombo, Juan Manuel Torres Eds. Springer, 2011.
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