Smil, V. A. (2008). Global catastrophes and trends: The next 50 years.
シカゴスタイル引用形Smil, Vaclav; Author. Global Catastrophes and Trends: The Next 50 Years. Massachusetts, The MIT Press, 2008.
MLA引用形式Smil, Vaclav; Author. Global Catastrophes and Trends: The Next 50 Years. 2008.
警告: この引用は必ずしも正確ではありません.