(1981). New studies in deontic logic: Norms, actions, and the foundations of ethics. D. Reidel Publishing Company.
Citazione stile Chigago Style (17a edizione)New Studies in Deontic Logic: Norms, Actions, and the Foundations of Ethics. Dordrecht [etc.]: D. Reidel Publishing Company, 1981.
Citatione MLA (9a ed.)New Studies in Deontic Logic: Norms, Actions, and the Foundations of Ethics. D. Reidel Publishing Company, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.