12th=Twelfth International Symposium on Problem Solving in Chemistry and Physics (1994: Dortmund, Germany), Schmidt, H., & International Council of Associations for Science Education. (1994). Problem solving and misconceptions in chemistry and physics: Proceedings of the 1994 International Summer Symposium. ICASE.
Cytowanie według stylu Chicago (wyd. 17)12th=Twelfth International Symposium on Problem Solving in Chemistry and Physics (1994: Dortmund, Germany), Hans-Jurgen Schmidt, i International Council of Associations for Science Education. Problem Solving and Misconceptions in Chemistry and Physics: Proceedings of the 1994 International Summer Symposium. Hong Kong: ICASE, 1994.
Cytowanie według stylu MLA (wyd. 9)12th=Twelfth International Symposium on Problem Solving in Chemistry and Physics (1994: Dortmund, Germany), et al. Problem Solving and Misconceptions in Chemistry and Physics: Proceedings of the 1994 International Summer Symposium. ICASE, 1994.