Rummler, G. A. (2007). Serious performance consulting. According to Rummler. Pfeiffer.
Chicago-čujuhus (17. p.)Rummler, Geary A. Serious Performance Consulting. According to Rummler. San Francisco: Pfeiffer, 2007.
MLA-čujuhus (9. p.)Rummler, Geary A. Serious Performance Consulting. According to Rummler. Pfeiffer, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.