Παραπομπή σε μορφή APA (7η εκδ.)

Pfeiffer, J. W. (1989). The encyclopedia of group activities: 150 practical designs for successful facilitating. Jossey-Bass/Pfeiffer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pfeiffer, J. William. The Encyclopedia of Group Activities: 150 Practical Designs for Successful Facilitating. San Fransisco, CA: Jossey-Bass/Pfeiffer, 1989.

Παραπομπή σε μορφή MLA (9th εκδ.)

Pfeiffer, J. William. The Encyclopedia of Group Activities: 150 Practical Designs for Successful Facilitating. Jossey-Bass/Pfeiffer, 1989.