References
^ World Languages Ser.: Stationen by Nikolaus Euba and Prisca Augustyn (2014, Trade Paperback, Revised edition) ISBN 9781285733821 (revised Aug 2021)^ Augustyn, Prisca; Euba, Nikolaus (2015). Stationen, Cengage Learning. BiggerBooks. ISBN 9781285733821 (revised May 2022)^ Stationen: Ein Kursbuch Fur Die Mittelstufe, Cengage Learning. NeweggBusiness. ISBN 9781285733821 (revised Nov 2016)
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