Kumar, V. (2015). Marketing Research: A Global Outlook. SAGE Publications India Pvt. Ltd.
Cita Chicago (17th ed.)Kumar, V. Marketing Research: A Global Outlook. New Delhi: SAGE Publications India Pvt. Ltd, 2015.
Cita MLA (9th ed.)Kumar, V. Marketing Research: A Global Outlook. SAGE Publications India Pvt. Ltd, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.