Müller, E. (2012). Standard vowel systems of English, German, and Dutch: Variation in norm. Peter Lang.
芝加哥风格引文Müller, Ernst-August. Standard Vowel Systems of English, German, and Dutch: Variation in Norm. Frankfurt am Main: Peter Lang, 2012.
MLA引文Müller, Ernst-August. Standard Vowel Systems of English, German, and Dutch: Variation in Norm. Peter Lang, 2012.
警告：这些引文格式不一定是100％准确.