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