Conference on New Trends in Geometrical and Topological Methods, Bourguignon, J., & Nencka, H. (1997). Geometry and nature: In memory of W.K. Clifford : a conference on new trends in geometrical and topological methods in memory of William Kingdon Clifford July 30-August 5, 1995 Madeira, Portugal. American Mathematical Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)Conference on New Trends in Geometrical and Topological Methods, J.-P Bourguignon, και Hanna Nencka. Geometry and Nature: In Memory of W.K. Clifford : A Conference on New Trends in Geometrical and Topological Methods in Memory of William Kingdon Clifford July 30-August 5, 1995 Madeira, Portugal. Providence, Rhode island: American Mathematical Society, 1997.
Παραπομπή σε μορφή MLA (9th εκδ.)Conference on New Trends in Geometrical and Topological Methods, et al. Geometry and Nature: In Memory of W.K. Clifford : A Conference on New Trends in Geometrical and Topological Methods in Memory of William Kingdon Clifford July 30-August 5, 1995 Madeira, Portugal. American Mathematical Society, 1997.