Ghauri, P. N., & Gronhaug, K. (2010). Research methods in business studies (4th ed.). Financial Times/Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Ghauri, Pervez N., agus Kjell Gronhaug. Research Methods in Business Studies. 4th ed. Harlow, England: Financial Times/Prentice-Hall, 2010.
Lua MLA (9ú heag.)Ghauri, Pervez N., agus Kjell Gronhaug. Research Methods in Business Studies. 4th ed. Financial Times/Prentice-Hall, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.