Towler, B. F. (2014). The Future of Energy (1st. ed.). Elsevier.
Lua i Stíl Chicago (17ú heag.)Towler, Brian F. The Future of Energy. 1st. ed. London: Elsevier, 2014.
Lua MLA (9ú heag.)Towler, Brian F. The Future of Energy. 1st. ed. Elsevier, 2014.
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