Rasmussen, L. L. (1996). Earth community earth ethics. Orbis Books.
Cita Chicago (17th ed.)Rasmussen, Larry L. Earth Community Earth Ethics. Maryknoll, N.Y: Orbis Books, 1996.
Cita MLA (9th ed.)Rasmussen, Larry L. Earth Community Earth Ethics. Orbis Books, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.