Brennan, A. (1995). The ethics of the environment. Dartmouth.
Cita Chicago Style (17a ed.)Brennan, Andrew. The Ethics of the Environment. Aldershot, Hants, England ; Brookfield, Vt.: Dartmouth, 1995.
Cita MLA (9a ed.)Brennan, Andrew. The Ethics of the Environment. Dartmouth, 1995.
Precaución: Estas citas no son 100% exactas.