Lua APA (7ú heag.)
Ebbinghaus, H., Flum, J., & Thomas, W. (2021). Mathematical logic (Third edition.). Springer.
Lua i Stíl Chicago (17ú heag.)
Ebbinghaus, Heinz-Dieter, Jörg Flum, agus Wolfgang Thomas. Mathematical Logic. Third edition. Cham, Switzerland: Springer, 2021.
Lua MLA (9ú heag.)
Ebbinghaus, Heinz-Dieter, et al. Mathematical Logic. Third edition. Springer, 2021.
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