Unger, R. M., & Smolin, L. (2015). The singular universe and the reality of time: A proposal in natural philosophy. Cambridge University Press.
استشهاد بنمط شيكاغوUnger, Roberto Mangabeira, و Lee Smolin. The Singular Universe and the Reality of Time: A Proposal in Natural Philosophy. Cambridge: Cambridge University Press, 2015.
MLA استشهادUnger, Roberto Mangabeira, و Lee Smolin. The Singular Universe and the Reality of Time: A Proposal in Natural Philosophy. Cambridge University Press, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.