Budrewicz, O., Flisak, J., & Zubrzycka, K. (1977). Polen für Entdecker. Interpress.
Chicago Style (17th ed.) CitationBudrewicz, Olgierd, Jerzy Flisak, and Kordula Zubrzycka. Polen Für Entdecker. Warszawa: Interpress, 1977.
MLA (9th ed.) CitationBudrewicz, Olgierd, et al. Polen Für Entdecker. Interpress, 1977.
Warning: These citations may not always be 100% accurate.