International Symposium on World Trends in Science and Technology Education (4th : 1987 : Kiel, Germany), & Riquarts, K. (1987). Science and technology education and the quality of life: Papers presented to the 4th International Symposium on World Trends in Science and Technology Education, Kiel, 4-12 August 1987. Institute for Science Education at Kiel University.
Lua i Stíl Chicago (17ú heag.)International Symposium on World Trends in Science and Technology Education (4th : 1987 : Kiel, Germany), agus Kurt Riquarts. Science and Technology Education and the Quality of Life: Papers Presented to the 4th International Symposium on World Trends in Science and Technology Education, Kiel, 4-12 August 1987. Kiel: Institute for Science Education at Kiel University, 1987.
Lua MLA (9ú heag.)International Symposium on World Trends in Science and Technology Education (4th : 1987 : Kiel, Germany), agus Kurt Riquarts. Science and Technology Education and the Quality of Life: Papers Presented to the 4th International Symposium on World Trends in Science and Technology Education, Kiel, 4-12 August 1987. Institute for Science Education at Kiel University, 1987.