Bülent Akın (2020). Kırklar -Mitten Tasavvufa Alevi Ritüellerinin Sır Dili-. Journal of Alevism-Bektashism Studies, Hausen, Germany, n. 23, p. 255–260, 2021. DOI: 10.24082/2021.abked.329. Disponível em: https://abked.de/article/view/329. Acesso em: 12 mar. 2026.