Williams, H. (1993). Fast dossier continental Europe. Science, technology and community cohesion. Vol. 28. Environmental futures in Central and Eastern Europe. Policies for cleaner technologies ([1st ed.].). Commission of the European Communities.
Citácia podle Chicago (17th ed.)Williams, Hugh. Fast Dossier Continental Europe. Science, Technology and Community Cohesion. Vol. 28. Environmental Futures in Central and Eastern Europe. Policies for Cleaner Technologies. [1st ed.]. Brussels: Commission of the European Communities, 1993.
Citácia podľa MLA (8th ed.)Williams, Hugh. Fast Dossier Continental Europe. Science, Technology and Community Cohesion. Vol. 28. Environmental Futures in Central and Eastern Europe. Policies for Cleaner Technologies. [1st ed.]. Commission of the European Communities, 1993.