Zar'a Ya'qob <Aethiopien, K., & Haile, G. (1958). The epistle of humanity: Transl. by Getatchew Haile. Peeters.
Chicago-Zitierstil (17. Ausg.)Zar'a Ya'qob <Aethiopien, Kaiser>, 与 Getatchew Haile. The Epistle of Humanity: Transl. by Getatchew Haile. Lovanii: Peeters, 1958.
MLA-Zitierstil (8. Ausg.)Zar'a Ya'qob <Aethiopien, Kaiser>, 与 Getatchew Haile. The Epistle of Humanity: Transl. by Getatchew Haile. Peeters, 1958.
警告：这些引文格式不一定是100％准确.