APA Citatie

Palmer, J. A. (2002). Environmental education in the 21st century: Theory, practice progress and promise (I.). Routledge.

Chicago Style citaat

Palmer, Joy A. Environmental Education in the 21st Century: Theory, Practice Progress and Promise. I. London: Routledge, 2002.

MLA citatie

Palmer, Joy A. Environmental Education in the 21st Century: Theory, Practice Progress and Promise. I. Routledge, 2002.