Pojman, L. P., & Pojman, P. (2012). Environmental ethics: Readings in theory and application (6th International ed.). Wadsworth.
Cita Chicago (17th ed.)Pojman, Louis P., i Paul Pojman. Environmental Ethics: Readings in Theory and Application. 6th International ed. Boston, Mass: Wadsworth, 2012.
Cita MLA (9th ed.)Pojman, Louis P., i Paul Pojman. Environmental Ethics: Readings in Theory and Application. 6th International ed. Wadsworth, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.