VALENTIN, E. K. (2015). Business planning and market strategy. SAGE.
Chicago-čujuhus (17. p.)VALENTIN, E. K. Business Planning and Market Strategy. SAGE, 2015.
MLA-čujuhus (9. p.)VALENTIN, E. K. Business Planning and Market Strategy. SAGE, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.