APA

Heffner K., Twardzik M., . (2013). The impact of shopping malls on the outer metropolitan zones (the example of the Silesian voivodeship). Warsaw: Committee for Spatial Economy and Regional Planning Polish Academy of Sciences.

Chicago

Heffner Krystian, Twardzik Małgorzata, . 2013. The impact of shopping malls on the outer metropolitan zones (the example of the Silesian voivodeship). Warsaw: Committee for Spatial Economy and Regional Planning Polish Academy of Sciences.

Harvard

Heffner K., Twardzik M., . (2013). The impact of shopping malls on the outer metropolitan zones (the example of the Silesian voivodeship). Warsaw: Committee for Spatial Economy and Regional Planning Polish Academy of Sciences.

MLA

Heffner Krystian, Twardzik Małgorzata, . The impact of shopping malls on the outer metropolitan zones (the example of the Silesian voivodeship). Warsaw: Committee for Spatial Economy and Regional Planning Polish Academy of Sciences. 2013.