Lua APA (7ú heag.)
Clark, W. W., & Cooke, G. (2012). Global energy innovation: Why America must lead. Praeger.
Lua i Stíl Chicago (17ú heag.)
Clark, Woodrow W., agus Grant Cooke. Global Energy Innovation: Why America Must Lead. Santa Barbara, Calif.: Praeger, 2012.
Lua MLA (9ú heag.)
Clark, Woodrow W., agus Grant Cooke. Global Energy Innovation: Why America Must Lead. Praeger, 2012.
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