Geleitwort

MLA

Lison, Barbara. Geleitwort. Jan. 2016. EBSCOhost, https://doi.org/10.18452/18901.

APA

Lison, B. (2016). Geleitwort. https://doi.org/10.18452/18901

Chicago

Lison, Barbara. 2016. “Geleitwort,” January. doi:10.18452/18901.