Hamann, B., & Hein, R. (1996). The reluctant empress. Berlin: Ullstein.
Παραπομπή Chicago StyleHamann, Brigitte, και Ruth Hein. The Reluctant Empress. Berlin: Ullstein, 1996.
MLA引文Hamann, Brigitte, και Ruth Hein. The Reluctant Empress. Berlin: Ullstein, 1996.
警告:這些引文格式不一定是100%准確.