David, Steven R.Chapter 13: Existential Threats to Israel // Contemporary Israel: Domestic Politics, Foreign Policy, and Security Challenges. Boulder, Colorado, WestView Press, 2009. ISBN 978-0-8133-4385-3. с. 559. Посетен на 8 June 2012. Following Israel's success, in what became known as the Six Day War, the Arab states reinforced their refusal to accept Israel's existence when, in a conference in Khartoum, Sudan, they declared they would not negotiate with Israel, make peace with Israel, or recognize its right to exist.
The Encyclopedia of the Arab-Israeli Conflict, Vol. 1. Santa Barbara, California, ABC-CLIO, 2008. ISBN 978-1-85109-841-5. с. 1289. Посетен на 8 June 2012. The PLO disagreed entirely with the provisions whereby Arab nations were expected to recognize Israel's right to exist, claiming that these not only ran counter to the Arab states' earlier Khartoum Summit Conference declaration but were also 'fundamentally and gravely inconsistent with the Arab character of Palestine, the essence of the Palestinian cause and the right of the Palestinian people to their homeland.'
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Halevy, Efraim. Israel's Hamas Portfolio // Israel Council on Foreign Relations. Архивиран от оригинала на 2012-02-25. Посетен на 8 June 2012. Indeed, twenty years later, after two successive wars, the Arab world rejected Israel's right to exist at the infamous Khartoum Conference of 196[7] – 'the three NOs': no to recognition, no to negotiation, and no to peace were uttered in response to Israel's appeal to negotiate without any preconditions.
Halevy, Efraim. Israel's Hamas Portfolio // Israel Council on Foreign Relations. Архивиран от оригинала на 2012-02-25. Посетен на 8 June 2012. Indeed, twenty years later, after two successive wars, the Arab world rejected Israel's right to exist at the infamous Khartoum Conference of 196[7] – 'the three NOs': no to recognition, no to negotiation, and no to peace were uttered in response to Israel's appeal to negotiate without any preconditions.