APA-referens (7:e uppl.)

International Journal of Business, Economics, and Social Development | Research Collaboration Community (RCC). Cambridge University Press.

Chicago-referens (17:e uppl.)

International Journal of Business, Economics, and Social Development | Research Collaboration Community (RCC). Cambridge University Press.

MLA-referens (8:e uppl.)

International Journal of Business, Economics, and Social Development | Research Collaboration Community (RCC). Cambridge University Press.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.