APA-ийн эшлэл(7 дахь хэвлэлт)

Müller, E. (2012). Standard vowel systems of English, German, and Dutch: Variation in norm. Peter Lang.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Müller, Ernst-August. Standard Vowel Systems of English, German, and Dutch: Variation in Norm. Frankfurt am Main: Peter Lang, 2012.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Müller, Ernst-August. Standard Vowel Systems of English, German, and Dutch: Variation in Norm. Peter Lang, 2012.