Harvard Business Essentials. Time Management. Harvard Business School Press.
Chicago-čujuhus (17. p.)Harvard Business Essentials. Time Management. Boston: Harvard Business School Press.
MLA-čujuhus (9. p.)Harvard Business Essentials. Time Management. Harvard Business School Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.