Pfeiffer, J. W., & Nolde, . C. (1996). The Encyclopedia of team-building activities. University Associates ; Ben Johnston Pub..
Chicago-viite (17. p.)Pfeiffer, J. William, ja Carol Nolde. The Encyclopedia of Team-building Activities. San Diego, CA : New Delhi: University Associates ; Ben Johnston Pub., 1996.
MLA-viite (8. p.)Pfeiffer, J. William, ja Carol Nolde. The Encyclopedia of Team-building Activities. University Associates ; Ben Johnston Pub., 1996.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.