Pfeiffer, J. W., & Nolde, . C. (1996). The Encyclopedia of team-building activities. University Associates ; Ben Johnston Pub..
Lua i Stíl Chicago (17ú heag.)Pfeiffer, J. William, agus Carol Nolde. The Encyclopedia of Team-building Activities. San Diego, CA : New Delhi: University Associates ; Ben Johnston Pub., 1996.
Lua MLA (8ú heag.)Pfeiffer, J. William, agus Carol Nolde. The Encyclopedia of Team-building Activities. University Associates ; Ben Johnston Pub., 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.