HOBBiT Piotr Krasnowolski, Piwowarczyk, K., & Koschalka, B. (2011). City, region, country. Municipality of Kraków City Strategy and Development Department : Marsha'l Office of Małopolska Region.
Chicago-Zitierstil (17. Ausg.)HOBBiT Piotr Krasnowolski, Katarzyna Piwowarczyk, und Ben Koschalka. City, Region, Country. Kraków: Municipality of Kraków City Strategy and Development Department : Marsha'l Office of Małopolska Region, 2011.
MLA-Zitierstil (9. Ausg.)HOBBiT Piotr Krasnowolski, et al. City, Region, Country. Municipality of Kraków City Strategy and Development Department : Marsha'l Office of Małopolska Region, 2011.
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