Suárez Rivero, D. (2013). The enigma of Gottlob Frege. Four approaches of the theorists of the direct reference.
استشهاد بنمط شيكاغوSuárez Rivero, David. The Enigma of Gottlob Frege. Four Approaches of the Theorists of the Direct Reference. 2013.
MLA استشهادSuárez Rivero, David. The Enigma of Gottlob Frege. Four Approaches of the Theorists of the Direct Reference. 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.