Não informado. Forthcoming International Scientific and Technical Conferences. Department of Education and Science.
Chicago-Zitierstil (17. Ausg.)Não informado. Forthcoming International Scientific and Technical Conferences. London: Department of Education and Science.
MLA-Zitierstil (8. Ausg.)Não informado. Forthcoming International Scientific and Technical Conferences. Department of Education and Science.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.