Παραπομπή σε μορφή APA (7η εκδ.)

Geldsetzer, L., & Schwartz, R. L. (2013). Logical Thinking in the Pyramidal Schema of Concepts: The Logical and Mathematical Elements. Springer Netherlands : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Geldsetzer, Lutz, και Richard L. Schwartz. Logical Thinking in the Pyramidal Schema of Concepts: The Logical and Mathematical Elements. Dordrecht: Springer Netherlands : Imprint: Springer, 2013.

Παραπομπή σε μορφή MLA (8th εκδ.)

Geldsetzer, Lutz, και Richard L. Schwartz. Logical Thinking in the Pyramidal Schema of Concepts: The Logical and Mathematical Elements. Springer Netherlands : Imprint: Springer, 2013.