University Professors Quotes
Adolf Hitler (1998). “Mein Kampf”, Houghton Mifflin Harcourt
Hermann Hesse (2002). “The Glass Bead Game: (Magister Ludi) A Novel”, p.354, Macmillan
Donald A. Norman (2013). “The Design of Everyday Things: Revised and Expanded Edition”, p.141, Basic Books