| police source | 81.57 | Police sources confirmed the incident. | ||
| security source | 74.59 | Security sources said there were no casualties. | ||
| government source | 54.38 | A government source spoke to the press today. | ||
| energy source | 24.95 | A new type of energy source? | ||
| industry source | 24.36 | Industry sources confirmed the names yesterday. | ||
| hospital source | 21.79 | Hospital sources confirmed the death toll. | ||
| intelligence source | 16.13 | Intelligence sources denied the reports. | ||
| water source | 14.94 | Near a water source? | ||
| ministry source | 14.68 | Ministry sources said the audiovisual program would be put off. | ||
| power source | 13.17 | The college had its own power source. | ||
| defence source | 11.59 | A defence source said the attack failed. | ||
| enforcement source | 11.06 | A federal law enforcement source says both had ties to Hamas. | ||
| army source | 10.47 | A Bosnian army source blamed the Serb rebels. | ||
| revenue source | 9.87 | This was an untested revenue source. | ||
| market source | 9.68 | Market sources said that mutual funds were the main buyers. | ||
| food source | 9.28 | Food sources are slim. | ||
| law source | 7.97 | The report cited local law enforcement sources. | ||
| court source | 7.57 | El Nacional did not identify its court sources. | ||
| opposition source | 6.06 | Opposition sources denied the reports. | ||
| airport source | 5.20 | Airport sources said negotiations were under way. |