STEVENS MICHAEL. (1990). PRACTICAL PROBLEM SOLVING FOR MANAGERS. UNIVERSAL BOOKS.
Chicago-čujuhus (17. p.)STEVENS MICHAEL. PRACTICAL PROBLEM SOLVING FOR MANAGERS. NEW DELHI: UNIVERSAL BOOKS, 1990.
MLA-čujuhus (9. p.)STEVENS MICHAEL. PRACTICAL PROBLEM SOLVING FOR MANAGERS. UNIVERSAL BOOKS, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.