Kempgen, Sebastian (Ed.), Peter Kosta (Ed.), Tilman Berger (Ed.), et al. "1. Phonetik, Phonologie, Orthographie, Flexionsmorphologie" Halbband 1. Berlin, Boston: Mouton de Gruyter, 2009. 1-14. Web. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/books/9783110214475/9783110214475.1.1.1/9783110214475.1.1.1.xml

1. Phonetik, Phonologie, Orthographie, Flexionsmorphologie (2009). Halbband 1 (pp. 1-14). Berlin, Boston: Mouton de Gruyter. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/books/9783110214475/9783110214475.1.1.1/9783110214475.1.1.1.xml

Kempgen, Sebastian (Ed.), Peter Kosta (Ed.), Tilman Berger (Ed.), et al. 2009. 1. Phonetik, Phonologie, Orthographie, Flexionsmorphologie. In Halbband 1, 1-14. Berlin, Boston: Mouton de Gruyter. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/books/9783110214475/9783110214475.1.1.1/9783110214475.1.1.1.xml