Zimbalist, Sherman and Brown, Andrew, Howard J. and Stuart (1988 թ․ հոկտեմբեր). Comparing Economic Systems: A Political-Economic Approach. Harcourt College Pub. էջեր 6–7. ISBN978-0-15-512403-5. «Pure capitalism is defined as a system wherein all of the means of production (physical capital) are privately owned and run by the capitalist class for a profit, while most other people are workers who work for a salary or wage (and who do not own the capital or the product).»{{cite book}}: CS1 սպաս․ բազմաթիվ անուններ: authors list (link)
