Smith, D. H. (1980). Participation in social and political: Activities. Jossey-Bass.
Cita Chicago (17th ed.)Smith, David Horton. Participation in Social and Political: Activities. San Francisco: Jossey-Bass, 1980.
Cita MLA (9th ed.)Smith, David Horton. Participation in Social and Political: Activities. Jossey-Bass, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.