Pfeiffer, J. W., & Nolde, . C. (1996). The Encyclopedia of team-building activities. University Associates ; Ben Johnston Pub..
Citazione stile Chigago Style (17a edizione)Pfeiffer, J. William, e Carol Nolde. The Encyclopedia of Team-building Activities. San Diego, CA : New Delhi: University Associates ; Ben Johnston Pub., 1996.
Citatione MLA (8a ed.)Pfeiffer, J. William, e Carol Nolde. The Encyclopedia of Team-building Activities. University Associates ; Ben Johnston Pub., 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.