Cita APA (7th ed.)

Hutchinson, D. R., & Bednar, H. (2017). Great groups: Creating and leading effective groups. SAGE.

Cita Chicago (17th ed.)

Hutchinson, David R., i Hans Bednar. Great Groups: Creating and Leading Effective Groups. Los Angeles: SAGE, 2017.

Cita MLA (9th ed.)

Hutchinson, David R., i Hans Bednar. Great Groups: Creating and Leading Effective Groups. SAGE, 2017.