Sandler, T. d. (1992). Collective action: Theory and applications. the University of Michigan Press.
Chicago-čujuhus (17. p.)Sandler, Tod d. Collective Action: Theory and Applications. U.S.A.: the University of Michigan Press, 1992.
MLA-čujuhus (9. p.)Sandler, Tod d. Collective Action: Theory and Applications. the University of Michigan Press, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.