Stephen Hawking 60th Birthday Workshop and Symposium Cambridge, England, Hawking, S. W., 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.
Cita Chicago (17th ed.)Stephen Hawking 60th Birthday Workshop and Symposium Cambridge, England, S. W. Hawking, G. W. Gibbons, E. P. S. Shellard, i S. J. Rankin. The Future of Theoretical Physics and Cosmology: Celebrating Stephen Hawking's 60th Birthday. Cambridge, U.K: Cambridge University Press, 2003.
Cita MLA (8th ed.)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.