Ruffini, R. (1977). Proceedings of the first Marcel Grossmann meeting on general relativity: Organized and held at the international Centre for Theoretical Physics, Trieste, and Istituto di fisica teorica, University of Trieste, 7-12 July 1975. North-Holland Pub. Co.
Citação do estilo Chicago (17ª ed.)Ruffini, Remo. Proceedings of the First Marcel Grossmann Meeting on General Relativity: Organized and Held at the International Centre for Theoretical Physics, Trieste, and Istituto Di Fisica Teorica, University of Trieste, 7-12 July 1975. Amsterdam: North-Holland Pub. Co, 1977.
Citação MLA (9ª ed.)Ruffini, Remo. Proceedings of the First Marcel Grossmann Meeting on General Relativity: Organized and Held at the International Centre for Theoretical Physics, Trieste, and Istituto Di Fisica Teorica, University of Trieste, 7-12 July 1975. North-Holland Pub. Co, 1977.