Michael Shermer. (2015). Moral Arc: How science and reason lead humanity toward truth, justice and freedom. Henry Holt and company.
استشهاد بنمط شيكاغوMichael Shermer. Moral Arc: How Science and Reason Lead Humanity Toward Truth, Justice and Freedom. New York: Henry Holt and company, 2015.
MLA استشهادMichael Shermer. Moral Arc: How Science and Reason Lead Humanity Toward Truth, Justice and Freedom. Henry Holt and company, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.