Palmer, J. (1994). The Handbook of environmental education. Routledge.
Cita Chicago Style (17a ed.)Palmer, Joy. The Handbook of Environmental Education. London: Routledge, 1994.
Cita MLA (9a ed.)Palmer, Joy. The Handbook of Environmental Education. Routledge, 1994.
Precaución: Estas citas no son 100% exactas.