APA ציטוט

Pfeiffer, J. W. (1989). The encyclopedia of group activities: 150 practical dewigns for successful facilitating. Pfeiffer.

Chicago Style (17th ed.) Citation

Pfeiffer, J. William. The Encyclopedia of Group Activities: 150 Practical Dewigns for Successful Facilitating. San Diego, Calif: Pfeiffer, 1989.

ציטוט MLA

Pfeiffer, J. William. The Encyclopedia of Group Activities: 150 Practical Dewigns for Successful Facilitating. Pfeiffer, 1989.