Hatherall, D. (2007). Colloquial German: The complete course for beginners. London: Routledge.
Trích dẫn kiểu ChicagoHatherall, Dietlinde. Colloquial German: The Complete Course for Beginners. London: Routledge, 2007.
MLA引文Hatherall, Dietlinde. Colloquial German: The Complete Course for Beginners. London: Routledge, 2007.
警告:這些引文格式不一定是100%准確.