Style de citation APA

Litten, F., & Books on Demand GmbH. (2023). Notes on the Trapp family in Austria: From Maria's grandparents to summer 1939. BoD - Books on Demand.

Style de citation Chicago

Litten, Freddy, et Books on Demand GmbH. Notes on the Trapp Family in Austria: From Maria's Grandparents to Summer 1939. Norderstedt: BoD - Books on Demand, 2023.

Style de citation MLA

Litten, Freddy, et Books on Demand GmbH. Notes on the Trapp Family in Austria: From Maria's Grandparents to Summer 1939. BoD - Books on Demand, 2023.