APA (7e ed.) Bronvermelding

Hansen, J. C. e., & Cramer, S. H. j. e. (1971). Group guidance and counseling in the schools; selected readings. Appleton-Century-Crofts.

Chicago (17e ed.) Bronvermelding

Hansen, James C. ed, en Stanley H. joint ed Cramer. Group Guidance and Counseling in the Schools; Selected Readings. New York: Appleton-Century-Crofts, 1971.

MLA (9e ed.) Bronvermelding

Hansen, James C. ed, en Stanley H. joint ed Cramer. Group Guidance and Counseling in the Schools; Selected Readings. Appleton-Century-Crofts, 1971.