Schwintowsky, D. (1971). Was das Kind erfreut.
Citazione stile Chigago Style (17a edizione)Schwintowsky, D. Was Das Kind Erfreut. 1971.
Citatione MLA (8a ed.)Schwintowsky, D. Was Das Kind Erfreut. 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.