Ghauri, P. N., & Grønhaug, K. Research methods in business studies (4th ed.).
Cita Chicago (17th ed.)Ghauri, Pervez N., i Kjell Grønhaug. Research Methods in Business Studies. 4th ed.
Cita MLA (8th ed.)Ghauri, Pervez N., i Kjell Grønhaug. Research Methods in Business Studies. 4th ed.
Atenció: Aquestes cites poden no estar 100% correctes.