Lua APA (7ú heag.)
Grennfelt, P., & Hov, O. (2009). Climate and air pollution. Nordic Council of Ministers.
Lua i Stíl Chicago (17ú heag.)
Grennfelt, Peringe, agus O. Hov. Climate and Air Pollution. Copenhagen: Nordic Council of Ministers, 2009.
Lua MLA (9ú heag.)
Grennfelt, Peringe, agus O. Hov. Climate and Air Pollution. Nordic Council of Ministers, 2009.
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