Haustein, H., Maier, H., & Uhlmann, L. (1981). Innovation and efficiency. International Institute for Applied Systems Analysis.
Citazione stile Chigago Style (17a edizione)Haustein, Heinz-Dieter, Harry Maier, e Luitpold Uhlmann. Innovation and Efficiency. Laxenburg: International Institute for Applied Systems Analysis, 1981.
Citatione MLA (9a ed.)Haustein, Heinz-Dieter, et al. Innovation and Efficiency. International Institute for Applied Systems Analysis, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.