Mahler, H. (2018). Was ist deutsch? Der Schelm.
Citazione stile Chigago Style (17a edizione)Mahler, Horst. Was Ist Deutsch? Leipzig: Der Schelm, 2018.
Citatione MLA (8a ed.)Mahler, Horst. Was Ist Deutsch? Der Schelm, 2018.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.