Frege, G., Austin, J., & Austin, J. L. (1980). The foundations of arithmetic: A logico-mathematical enquiry into the concept of number (2nd ed., revised ed.). Evanston, IL.: Northwestern University Press.
Παραπομπή Chicago StyleFrege, Gottlob, J.L Austin, and J. L. Austin. The Foundations of Arithmetic: A Logico-mathematical Enquiry Into the Concept of Number. 2nd ed., revised ed. Evanston, IL.: Northwestern University Press, 1980.
Παραπομπή MLAFrege, Gottlob, J.L Austin, and J. L. Austin. The Foundations of Arithmetic: A Logico-mathematical Enquiry Into the Concept of Number. 2nd ed., revised ed. Evanston, IL.: Northwestern University Press, 1980.
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