Παραπομπή σε μορφή APA (7η εκδ.)

Dau, F., & Dau, F. (2003). The Logic System of Concept Graphs with Negation: And Its Relationship to Predicate Logic (1st ed. 2003.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/b94030

Παραπομπή σε μορφή Chicago (17η εκδ.)

Dau, Frithjof, και Frithjof Dau. The Logic System of Concept Graphs with Negation: And Its Relationship to Predicate Logic. 1st ed. 2003. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2003. https://doi.org/10.1007/b94030.

Παραπομπή σε μορφή MLA (8th εκδ.)

Dau, Frithjof, και Frithjof Dau. The Logic System of Concept Graphs with Negation: And Its Relationship to Predicate Logic. 1st ed. 2003. Springer Berlin Heidelberg : Imprint: Springer, 2003. https://doi.org/10.1007/b94030.