APA

Carl W., . (1994). Frege's theory of sense and reference its origins and scope. Cambridge (Inglaterra): Cambridge University Press.

Chicago

Carl Wolfgang, . 1994. Frege's theory of sense and reference its origins and scope. Cambridge (Inglaterra): Cambridge University Press.

Harvard

Carl W., . (1994). Frege's theory of sense and reference its origins and scope. Cambridge (Inglaterra): Cambridge University Press.

MLA

Carl Wolfgang, . Frege's theory of sense and reference its origins and scope. Cambridge (Inglaterra): Cambridge University Press. 1994.