Olsen, E. G. (1961). School and community (2.). Prentice Hall Inc.
Chicago Edition CitationOlsen, Edward G. School and Community. 2. New Jersey: Prentice Hall Inc, 1961.
Cita MLAOlsen, Edward G. School and Community. 2. Prentice Hall Inc, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.