West, E. (1999). The big book of icebreakers: 50 quick, fun activities for energizing meetings and workshops. McGraw-Hill.
Citazione stile Chigago Style (17a edizione)West, Edie. The Big Book of Icebreakers: 50 Quick, Fun Activities for Energizing Meetings and Workshops. New York: McGraw-Hill, 1999.
Citatione MLA (9a ed.)West, Edie. The Big Book of Icebreakers: 50 Quick, Fun Activities for Energizing Meetings and Workshops. McGraw-Hill, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.