Citace podle APA (7th ed.)

Roewer, U. (2008). Environmental Protection Expenditure by Industry in the European Union 1997-2004. Statistic in focus: Environment and energy.

Citace podle Chicago (17th ed.)

Roewer, Ute. "Environmental Protection Expenditure by Industry in the European Union 1997-2004." Statistic in Focus: Environment and Energy 2008.

Citace podle MLA (8th ed.)

Roewer, Ute. "Environmental Protection Expenditure by Industry in the European Union 1997-2004." Statistic in Focus: Environment and Energy, 2008.

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