Harraldm John& Mobarak< Salwa. (1998). The Third Annual Conference on Crises & Disasters Management: Organization Crisis Management Structure. جامعة عين شمس.
Lua i Stíl Chicago (17ú heag.)Harraldm John& Mobarak< Salwa. The Third Annual Conference on Crises & Disasters Management: Organization Crisis Management Structure. القاهرة: جامعة عين شمس, 1998.
Lua MLA (9ú heag.)Harraldm John& Mobarak< Salwa. The Third Annual Conference on Crises & Disasters Management: Organization Crisis Management Structure. جامعة عين شمس, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.