Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Zitierstil

Helal, R. (2010). The contributions of the Arab and Islamic civilizations 3. To chemistry: Based on the collection of scientifique manuscripts in the National Library of Egypt. Cairo: National Library of Egypt, CultNat.

Chicago Zitierstil

Helal, Refaat. The Contributions of the Arab and Islamic Civilizations 3. To Chemistry: Based On the Collection of Scientifique Manuscripts in the National Library of Egypt. Cairo: National Library of Egypt, CultNat, 2010.

MLA Zitierstil

Helal, Refaat. The Contributions of the Arab and Islamic Civilizations 3. To Chemistry: Based On the Collection of Scientifique Manuscripts in the National Library of Egypt. Cairo: National Library of Egypt, CultNat, 2010.