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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Stephen Hawking 60th Birthday Workshop and Symposium Cambridge, England, S. W. Hawking, G. W. Gibbons, E. P. S. Shellard, و S. J. Rankin. The Future of Theoretical Physics and Cosmology: Celebrating Stephen Hawking's 60th Birthday. Cambridge, U.K: Cambridge University Press, 2003.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)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.