(1976). Guide to secondary school environmental action. Schools Eco-Action Group.
Chicago-Zitierstil (17. Ausg.)Guide to Secondary School Environmental Action. London: Schools Eco-Action Group, 1976.
MLA-Zitierstil (9. Ausg.)Guide to Secondary School Environmental Action. Schools Eco-Action Group, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.