एपीए उद्धरण

Roncaglia,Alessandro. (2000). Piero Sraffa: His life, thought and cultural heritage. Routledge.

शिकागो स्टाइल उद्धरण

Roncaglia,Alessandro. Piero Sraffa: His Life, Thought and Cultural Heritage. London: Routledge, 2000.

एमएलए उद्धरण

Roncaglia,Alessandro. Piero Sraffa: His Life, Thought and Cultural Heritage. Routledge, 2000.