Alex Ferguson. leading. Hachette Book Groups.
Chicago-čujuhus (17. p.)Alex Ferguson. Leading. Hachette Book Groups.
MLA-čujuhus (9. p.)Alex Ferguson. Leading. Hachette Book Groups.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.