Mead, George Herbert (1934). Mind, self, and society. Morris, Charles W.; Huebner, Daniel R.; Joas, Hans (1st ed., enlarged ed.). Chicago: University of Chicago Press (published 2015). pp. 47, 76, 81. ISBN9780226112732. OCLC894491842.
Mead, George Herbert (1938). The philosophy of the act. Morris, Charles W.; Brewster, John M.; Dunham, Albert Millard; Miller, David L. Chicago: The University of Chicago Press. ISBN0226516695. OCLC272864.
Mead, George Herbert (1934). Mind, self, and society. Morris, Charles W.; Huebner, Daniel R.; Joas, Hans (1st ed., enlarged ed.). Chicago: University of Chicago Press (published 2015). pp. 47, 76, 81. ISBN9780226112732. OCLC894491842.
Mead, George Herbert (1938). The philosophy of the act. Morris, Charles W.; Brewster, John M.; Dunham, Albert Millard; Miller, David L. Chicago: The University of Chicago Press. ISBN0226516695. OCLC272864.