Epstein, R. (1981). On pigeons and people: A preliminary look at the columban simulation project.
استشهاد بنمط شيكاغوEpstein, Robert. On Pigeons and People: A Preliminary Look At the Columban Simulation Project. 1981.
MLA استشهادEpstein, Robert. On Pigeons and People: A Preliminary Look At the Columban Simulation Project. 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.