Allaby, M. (1971). The eco-activitists: Youth fights for a human environment. C. Knight.
Chicago-viite (17. p.)Allaby, Michael. The Eco-activitists: Youth Fights for a Human Environment. London: C. Knight, 1971.
MLA-viite (9. p.)Allaby, Michael. The Eco-activitists: Youth Fights for a Human Environment. C. Knight, 1971.
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