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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Symposium on World Trends in Science and Technology Education (4th : 1987 : Kiel, Germany), और 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.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational Symposium on World Trends in Science and Technology Education (4th : 1987 : Kiel, Germany), और 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.