APA-viite (7. p.)
ebrary, Inc, Leal Filho, W., & Gottwald, J. (2012). Educational and technological approaches to renewable energy. Peter Lang.
Chicago-viite (17. p.)
ebrary, Inc, Walter Leal Filho, ja Julia Gottwald. Educational and Technological Approaches to Renewable Energy. Frankfurt am Main: Peter Lang, 2012.
MLA-viite (9. p.)
ebrary, Inc, et al. Educational and Technological Approaches to Renewable Energy. Peter Lang, 2012.
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