Blitzer, R. (2012). Thinking mathematically (5th ed., International Ed.). Pearson.
Chicago Style aipamenaBlitzer, Robert. Thinking Mathematically. 5th ed., International Ed. Boston: Pearson, 2012.
MLA aipamenaBlitzer, Robert. Thinking Mathematically. 5th ed., International Ed. Pearson, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.