Levy, S. S. (1987). Paul Ramsey and the rule of double effect. Journal of religious ethics, 15, 59-71.
Citazione stile Chigago Style (17a edizione)Levy, Sanford S. "Paul Ramsey and the Rule of Double Effect." Journal of Religious Ethics 15 (1987): 59-71.
Citatione MLA (9a ed.)Levy, Sanford S. "Paul Ramsey and the Rule of Double Effect." Journal of Religious Ethics, vol. 15, 1987, pp. 59-71.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
