Symposium 91. Saving the Twientieth Century Ottawa, Canada, Canadian Conservation Institute, & Grattan, D. W. (1993). Saving the twentieth century: The conservation of modern materials : proceedings of a conference Symposium '91 Saving the Twentieth Century, Ottawa, Canada, 15 to 20 September 1991 = Sauvegarder le XXe siècle : la conservation des matériaux modernes : les actes de la conférence Symposium 91 Sauvegarder le XXe Siècle. Canadian Conservation Institute.
Chicago-Zitierstil (17. Ausg.)Symposium 91. Saving the Twientieth Century Ottawa, Canada, Canadian Conservation Institute, und David W. Grattan. Saving the Twentieth Century: The Conservation of Modern Materials : Proceedings of a Conference Symposium '91 Saving the Twentieth Century, Ottawa, Canada, 15 to 20 September 1991 = Sauvegarder Le XXe Siècle : La Conservation Des Matériaux Modernes : Les Actes De La Conférence Symposium 91 Sauvegarder Le XXe Siècle. Ottawa, Canada: Canadian Conservation Institute, 1993.
MLA-Zitierstil (8. Ausg.)Symposium 91. Saving the Twientieth Century Ottawa, Canada, et al. Saving the Twentieth Century: The Conservation of Modern Materials : Proceedings of a Conference Symposium '91 Saving the Twentieth Century, Ottawa, Canada, 15 to 20 September 1991 = Sauvegarder Le XXe Siècle : La Conservation Des Matériaux Modernes : Les Actes De La Conférence Symposium 91 Sauvegarder Le XXe Siècle. Canadian Conservation Institute, 1993.