ICOM Committee for Conservation. Meeting, & Bridgland, J. (1999). 12th triennial meeting, Lyon, 29 August-3 Sepetember 1999: Preprints. London: James and James (Science Publishers).
استشهاد بنمط شيكاغوICOM Committee for Conservation. Meeting, و Janet Bridgland. 12th Triennial Meeting, Lyon, 29 August-3 Sepetember 1999: Preprints. London: James and James (Science Publishers), 1999.
MLA استشهادICOM Committee for Conservation. Meeting, و Janet Bridgland. 12th Triennial Meeting, Lyon, 29 August-3 Sepetember 1999: Preprints. London: James and James (Science Publishers), 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.