Cita APA (7a ed.)

Agencia Europea de Medio Ambiente & Spangenberg, J. H. (1999). Material flow-based indicators in environmental reporting. Office for Official Publications of the European Communities.

Cita Chicago Style (17a ed.)

Agencia Europea de Medio Ambiente y Joachim H. Spangenberg. Material Flow-based Indicators in Environmental Reporting. Luxembourg: Office for Official Publications of the European Communities, 1999.

Cita MLA (9a ed.)

Agencia Europea de Medio Ambiente y Joachim H. Spangenberg. Material Flow-based Indicators in Environmental Reporting. Office for Official Publications of the European Communities, 1999.