Thompson, D. N. (2009). The age of declining turbulence: Are Alan Greenspan's projections wrong? Crossroads Research Institute.
Lua i Stíl Chicago (17ú heag.)Thompson, Douglas N. The Age of Declining Turbulence: Are Alan Greenspan's Projections Wrong? Salt Lake City, Utah: Crossroads Research Institute, 2009.
Lua MLA (9ú heag.)Thompson, Douglas N. The Age of Declining Turbulence: Are Alan Greenspan's Projections Wrong? Crossroads Research Institute, 2009.
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