Sandler, T. d. (1992). Collective action: Theory and applications. the University of Michigan Press.
Chicago-viite (17. p.)Sandler, Tod d. Collective Action: Theory and Applications. U.S.A.: the University of Michigan Press, 1992.
MLA-viite (9. p.)Sandler, Tod d. Collective Action: Theory and Applications. the University of Michigan Press, 1992.
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