Hansen, J. C. e., & Cramer, S. H. j. e. (1971). Group guidance and counseling in the schools; selected readings. Appleton-Century-Crofts.
Citace podle Chicago (17th ed.)Hansen, James C. ed, a Stanley H. joint ed Cramer. Group Guidance and Counseling in the Schools; Selected Readings. New York: Appleton-Century-Crofts, 1971.
Citace podle MLA (9th ed.)Hansen, James C. ed, a Stanley H. joint ed Cramer. Group Guidance and Counseling in the Schools; Selected Readings. Appleton-Century-Crofts, 1971.
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