Business Research Methods /
Boris Blumberg, Donald R. Cooper, Pamela S. Schindler.
- 3rd European ed.
- London : McGraw-Hill Higher Education, 2011.
- xii, 138 p. : ill. ; 27 cm.
First edition published in 2005 by McGraw-Hill Education. Second edition published in 2008 by McGraw-Hill Education.