Heywood Andrew. (2017). Politics (4.). Palgrave.
Chicago-čujuhus (17. p.)Heywood Andrew. Politics. 4. Palgrave, 2017.
MLA-čujuhus (9. p.)Heywood Andrew. Politics. 4. Palgrave, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.