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