Παραπομπή APA

Mail, K., & Arndt, M. (1980). The Strong Verbs in German Language. Max Hueber Verlag.

Παραπομπή Chicago Style

Mail, Klare, και Margit Arndt. The Strong Verbs in German Language. Munchen: Max Hueber Verlag, 1980.

Παραπομπή MLA

Mail, Klare, και Margit Arndt. The Strong Verbs in German Language. Max Hueber Verlag, 1980.