APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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