SEKARAN, U. (2003). Research methods for business: A skill-building approach (4th ed.). John Wiley & Sons.
Chicago-čujuhus (17. p.)SEKARAN, Uma. Research Methods for Business: A Skill-building Approach. 4th ed. New York: John Wiley & Sons, 2003.
MLA-čujuhus (9. p.)SEKARAN, Uma. Research Methods for Business: A Skill-building Approach. 4th ed. John Wiley & Sons, 2003.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.