Ruffini, R. (1982). Proceedings of the Second Marcel Grossmann Meeting on General Relativity. North-Holland Publishing Company.
Chicago-referens (17:e uppl.)Ruffini, Remo. Proceedings of the Second Marcel Grossmann Meeting on General Relativity. Amsterdam ; New York: North-Holland Publishing Company, 1982.
MLA-referens (9:e uppl.)Ruffini, Remo. Proceedings of the Second Marcel Grossmann Meeting on General Relativity. North-Holland Publishing Company, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.