Weihrich, H. Management: A Global and Entrepreneurial Perspective (13th.). McGraw Hill.
Chicago-čujuhus (17. p.)Weihrich, Heinz. Management: A Global and Entrepreneurial Perspective. 13th. McGraw Hill.
MLA-čujuhus (9. p.)Weihrich, Heinz. Management: A Global and Entrepreneurial Perspective. 13th. McGraw Hill.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.