Harrison, E. (2003). Masks of the universe: Changing ideas on the nature of the cosmos (2nd ed.). Cambridge University Press.
استشهاد بنمط شيكاغوHarrison, Edward. Masks of the Universe: Changing Ideas on the Nature of the Cosmos. 2nd ed. Cambridge: Cambridge University Press, 2003.
MLA استشهادHarrison, Edward. Masks of the Universe: Changing Ideas on the Nature of the Cosmos. 2nd ed. Cambridge University Press, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.