Nax, H. (2008). Cooperation in multiple spheres of interaction. University of Oxford.
Chicago-čujuhus (17. p.)Nax, H. Cooperation in Multiple Spheres of Interaction. University of Oxford, 2008.
MLA-čujuhus (9. p.)Nax, H. Cooperation in Multiple Spheres of Interaction. University of Oxford, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.