Berger, P. L. (1974). Pyramids of sacrifice: Political ethics and social change. Basic Books.
Cita Chicago (17th ed.)Berger, Peter L. Pyramids of Sacrifice: Political Ethics and Social Change. New York: Basic Books, 1974.
Cita MLA (9th ed.)Berger, Peter L. Pyramids of Sacrifice: Political Ethics and Social Change. Basic Books, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.