International Council of Scientific Unions. Committee on Science Teaching. Sub-committee on Elementary Science, United Nations Educational, Scientific and Cultural Organization, & Harlen, W. (1984). The training of primary science educators: A workshop approach /prepared by members of the Sub-committee on Elementary Science of ICSU. Division of Science, Technical and Environmental Education, UNESCO.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Council of Scientific Unions. Committee on Science Teaching. Sub-committee on Elementary Science, Scientific and Cultural Organization United Nations Educational, و Wynne Harlen. The Training of Primary Science Educators: A Workshop Approach /prepared by Members of the Sub-committee on Elementary Science of ICSU. Paris: Division of Science, Technical and Environmental Education, UNESCO, 1984.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Council of Scientific Unions. Committee on Science Teaching. Sub-committee on Elementary Science, et al. The Training of Primary Science Educators: A Workshop Approach /prepared by Members of the Sub-committee on Elementary Science of ICSU. Division of Science, Technical and Environmental Education, UNESCO, 1984.