Heinecke, W., & Marsh, J. (2003). The entrepreneur: Twenty-five golden rules for the global business manager (Rev. ed.). Wiley.

Heinecke, William, and Jonathan Marsh. The Entrepreneur: Twenty-five Golden Rules for the Global Business Manager. Rev. ed. Singapore ; Hoboken, NJ: Wiley, 2003.

Heinecke, William, and Jonathan Marsh. The Entrepreneur: Twenty-five Golden Rules for the Global Business Manager. Rev. ed. Wiley, 2003.