Thomas, H. (1991). Dilemmas of planning practice: Ethics, legitimacy and the validation of knowledge. Gower.
Citazione stile Chigago Style (17a edizione)Thomas, Huw. Dilemmas of Planning Practice: Ethics, Legitimacy and the Validation of Knowledge. Vermont: Gower, 1991.
Citatione MLA (9a ed.)Thomas, Huw. Dilemmas of Planning Practice: Ethics, Legitimacy and the Validation of Knowledge. Gower, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.