Bertcher Harvey J. (1994). Group participation: Techniques for leaders and members (2nd ed.). Sage.
Chicago Style (17th ed.) CitationBertcher Harvey J. Group Participation: Techniques for Leaders and Members. 2nd ed. Sage, 1994.
MLA (8th ed.) CitationBertcher Harvey J. Group Participation: Techniques for Leaders and Members. 2nd ed. Sage, 1994.
Warning: These citations may not always be 100% accurate.