Gaya APA
Geldsetzer, L., Schwartz, R, L. (2013).
Logical Thinking in the Pyramidal Schema of Concepts: The Logical and Mathematical Elements .
Springer Netherlands:
Springer.
Gaya MLA
Geldsetzer, Lutz., Schwartz, Richard, L..
"Logical Thinking in the Pyramidal Schema of Concepts: The Logical and Mathematical Elements".
Springer Netherlands:
Springer,
2013.
E-Book.