Cooper, D. E., & Palmer, J. (1995). Just environments: Intergenerational, international, and inter-species issues. Routledge.
Cita Chicago (17th ed.)Cooper, David Edward, i Joy Palmer. Just Environments: Intergenerational, International, and Inter-species Issues. London: Routledge, 1995.
Cita MLA (9th ed.)Cooper, David Edward, i Joy Palmer. Just Environments: Intergenerational, International, and Inter-species Issues. Routledge, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.