International Institute for Applied Systems Analysis. (2019). .Options: .The power of the crowd. International Institute for Applied Systems Analysis.
Citazione stile Chigago Style (17a edizione)International Institute for Applied Systems Analysis. .Options: .The Power of the Crowd. New york: International Institute for Applied Systems Analysis, 2019.
Citatione MLA (9a ed.)International Institute for Applied Systems Analysis. .Options: .The Power of the Crowd. International Institute for Applied Systems Analysis, 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.