Roncaglia,Alessandro. (2000). Piero Sraffa: His life, thought and cultural heritage. Routledge.
استشهاد بنمط شيكاغوRoncaglia,Alessandro. Piero Sraffa: His Life, Thought and Cultural Heritage. London: Routledge, 2000.
MLA استشهادRoncaglia,Alessandro. Piero Sraffa: His Life, Thought and Cultural Heritage. Routledge, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.