Mills, A. A. (1977). First and second language acquisition in German. R.O.U. Strauch.
芝加哥风格引文Mills, Anne A. First and Second Language Acquisition in German. Ludwigsburg: R.O.U. Strauch, 1977.
MLA引文Mills, Anne A. First and Second Language Acquisition in German. R.O.U. Strauch, 1977.
警告：这些引文格式不一定是100％准确.