Stephen Hawking 60th Birthday Workshop and Symposium Cambridge, England, Hawking, S., Gibbons, G. W., Shellard, E. P. S., & Rankin, S. J. (2003). The future of theoretical physics and cosmology: Celebrating Stephen Hawking's 60th birthday. Cambridge University Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Stephen Hawking 60th Birthday Workshop and Symposium Cambridge, England, Stephen Hawking, G. W. Gibbons, E. P. S. Shellard, και S. J. Rankin. The Future of Theoretical Physics and Cosmology: Celebrating Stephen Hawking's 60th Birthday. Cambridge, U.K. ; New York: Cambridge University Press, 2003.
Παραπομπή σε μορφή MLA (8th εκδ.)Stephen Hawking 60th Birthday Workshop and Symposium Cambridge, England, et al. The Future of Theoretical Physics and Cosmology: Celebrating Stephen Hawking's 60th Birthday. Cambridge University Press, 2003.
