IPN Symposium, Hoffman, L., Gardner, P. L., Germany. Deutsche UNESCO- Kommission, Universitat Kiel. Institut fur die Padagogik der Naturwissenschaften, & United Nations Educational, S. a. C. O. (1985). Interests in science and technology education: 12th IPN symposium. Institute for Science Education.
Citazione stile Chigago Style (17a edizione)IPN Symposium, L. Hoffman, P. L. Gardner, Germany. Deutsche UNESCO- Kommission, Universitat Kiel. Institut fur die Padagogik der Naturwissenschaften, e Scientific and Cultural Organizations United Nations Educational. Interests in Science and Technology Education: 12th IPN Symposium. Kiel, Federal Republic of Germany: Institute for Science Education, 1985.
Citatione MLA (9a ed.)IPN Symposium, et al. Interests in Science and Technology Education: 12th IPN Symposium. Institute for Science Education, 1985.