Hammond John S. (1999). Smart Choices. Harvard Business.
Chicago-čujuhus (17. p.)Hammond John S. Smart Choices. Boston: Harvard Business, 1999.
MLA-čujuhus (9. p.)Hammond John S. Smart Choices. Harvard Business, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.