Lafley A G. (2013). Playing to Win. HBS.
Chicago-čujuhus (17. p.)Lafley A G. Playing to Win. Boston: HBS, 2013.
MLA-čujuhus (9. p.)Lafley A G. Playing to Win. HBS, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.