Geldsetzer. (2013). Logical Thinking in the Pyramidal Schema of Concepts: The Logical and Mathematical Elements (1.). Springer Netherlands.
Citazione stile Chigago Style (17a edizione)Geldsetzer. Logical Thinking in the Pyramidal Schema of Concepts: The Logical and Mathematical Elements. 1. Springer Netherlands, 2013.
Citatione MLA (8a ed.)Geldsetzer. Logical Thinking in the Pyramidal Schema of Concepts: The Logical and Mathematical Elements. 1. Springer Netherlands, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.