Wurff, R. v. d. (1992). Global perspective 2010. Tasks for science and technology. Vol. 21. Sustainable development. A cultural approach ([1st ed.].). Commission of the European Communities.
Citácia podle Chicago (17th ed.)Wurff, R. van der. Global Perspective 2010. Tasks for Science and Technology. Vol. 21. Sustainable Development. A Cultural Approach. [1st ed.]. Brussels: Commission of the European Communities, 1992.
Citácia podľa MLA (8th ed.)Wurff, R. van der. Global Perspective 2010. Tasks for Science and Technology. Vol. 21. Sustainable Development. A Cultural Approach. [1st ed.]. Commission of the European Communities, 1992.
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