Pugwash Conference on Science and World Affairs Rustenburg, South Africa, ebrary, Inc, & Rotblat, J. (2001). Proceedings of the forty-ninth Pugwash Conference on Science and World Affairs, Rustenburg, South Africa, 7-13 September 1999: Confronting the challenges of the 21st century. World Scientific.
Παραπομπή σε μορφή Chicago (17η εκδ.)Pugwash Conference on Science and World Affairs Rustenburg, South Africa, Inc ebrary, και Joseph Rotblat. Proceedings of the Forty-ninth Pugwash Conference on Science and World Affairs, Rustenburg, South Africa, 7-13 September 1999: Confronting the Challenges of the 21st Century. River Edge, N.J. ; Singapore: World Scientific, 2001.
Παραπομπή σε μορφή MLA (9th εκδ.)Pugwash Conference on Science and World Affairs Rustenburg, South Africa, et al. Proceedings of the Forty-ninth Pugwash Conference on Science and World Affairs, Rustenburg, South Africa, 7-13 September 1999: Confronting the Challenges of the 21st Century. World Scientific, 2001.