Citazione APA

Baehr, P. R., & Wittrock, B. (1981). Policy analysis and policy innovation: Patterns problems and potentials. Sage publications.

Stile di citazione Chicago

Baehr, Peter R., e Bjorn Wittrock. Policy Analysis and Policy Innovation: Patterns Problems and Potentials. London: Sage publications, 1981.

Citazione MLA

Baehr, Peter R., e Bjorn Wittrock. Policy Analysis and Policy Innovation: Patterns Problems and Potentials. Sage publications, 1981.