Copernicus Symposium Warsaw, Poland, International Astronomical Union, & DeWitt-Morette, C. (1974). Gravitational radiation and gravitational collapse. D. Reidel.
Lua i Stíl Chicago (17ú heag.)Copernicus Symposium Warsaw, Poland, International Astronomical Union, agus Cecile DeWitt-Morette. Gravitational Radiation and Gravitational Collapse. Dordrecht, Boston: D. Reidel, 1974.
Lua MLA (8ú heag.)Copernicus Symposium Warsaw, Poland, et al. Gravitational Radiation and Gravitational Collapse. D. Reidel, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.