Beer, M. (1966). An Inquiry into physiocracy. Russell and Russell.
Cita Chicago (17th ed.)Beer, M. An Inquiry into Physiocracy. New York: Russell and Russell, 1966.
Cita MLA (9th ed.)Beer, M. An Inquiry into Physiocracy. Russell and Russell, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.