Hagemann, H., & Heidemann, S. (2020). The Early Islamic Empire at Work: Volume 1: Transregional and Regional Elites - Connecting the Early Islamic Empire. Studies in the history and culture of the Middle East. doi:10.1515/9783110669800
Παραπομπή σε μορφή Chicago (17η εκδ.)Hagemann, Hannah-Lena, και Stefan Heidemann. "The Early Islamic Empire at Work: Volume 1: Transregional and Regional Elites - Connecting the Early Islamic Empire." Studies in the History and Culture of the Middle East 2020, https://doi.org/10.1515/9783110669800.
Παραπομπή σε μορφή MLA (8th εκδ.)Hagemann, Hannah-Lena, και Stefan Heidemann. "The Early Islamic Empire at Work: Volume 1: Transregional and Regional Elites - Connecting the Early Islamic Empire." Studies in the History and Culture of the Middle East, 2020, https://doi.org/10.1515/9783110669800.