APA-referens (7:e uppl.)

Greenhalgh, C., & Rogers, M. (2007). Trade Marks and Performance in UK Firms: Evidence of Schumpeterian Competition through Innovation. Department of Economics (University of Oxford).

Chicago-referens (17:e uppl.)

Greenhalgh, C., och M. Rogers. Trade Marks and Performance in UK Firms: Evidence of Schumpeterian Competition Through Innovation. Department of Economics (University of Oxford), 2007.

MLA-referens (9:e uppl.)

Greenhalgh, C., och M. Rogers. Trade Marks and Performance in UK Firms: Evidence of Schumpeterian Competition Through Innovation. Department of Economics (University of Oxford), 2007.

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