Trompenaars, A., & Hampden-Turner, C. (2002). 21 leaders for the 21st century: How innovative leaders manage in the digital age. McGraw-Hill, Tata McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Trompenaars, Alfons, agus Charles Hampden-Turner. 21 Leaders for the 21st Century: How Innovative Leaders Manage in the Digital Age. New York ; New Delhi: McGraw-Hill, Tata McGraw-Hill, 2002.
Lua MLA (8ú heag.)Trompenaars, Alfons, agus Charles Hampden-Turner. 21 Leaders for the 21st Century: How Innovative Leaders Manage in the Digital Age. McGraw-Hill, Tata McGraw-Hill, 2002.
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