Hansen, J. C., & Cramer, S. H. (1971). Group guidance and counseling in the schools: Selected readings. Appleton Century Crofts.
Cita Chicago (17th ed.)Hansen, James C., i Stanley H. Cramer. Group Guidance and Counseling in the Schools: Selected Readings. New York: Appleton Century Crofts, 1971.
Cita MLA (9th ed.)Hansen, James C., i Stanley H. Cramer. Group Guidance and Counseling in the Schools: Selected Readings. Appleton Century Crofts, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.