APA

Sraffa P., . (1966). On the principles of Political economy and Taxation. [s.l.]: Cambridge University.

Chicago

Sraffa Piero, . 1966. On the principles of Political economy and Taxation. [s.l.]: Cambridge University.

Harvard

Sraffa P., . (1966). On the principles of Political economy and Taxation. [s.l.]: Cambridge University.

MLA

Sraffa Piero, . On the principles of Political economy and Taxation. [s.l.]: Cambridge University. 1966.