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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিStephen Hawking 60th Birthday Workshop and Symposium Cambridge, England, S. W. Hawking, G. W. Gibbons, E. P. S. Shellard, এবং S. J. Rankin. The Future of Theoretical Physics and Cosmology: Celebrating Stephen Hawking's 60th Birthday. Cambridge, U.K: Cambridge University Press, 2003.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিStephen 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.