(2016). Geography in the face of modern world challenges. Wydawnictwo LIBRON.
Citazione stile Chigago Style (17a edizione)Geography in the Face of Modern World Challenges. Kraków: Wydawnictwo LIBRON, 2016.
Citatione MLA (9a ed.)Geography in the Face of Modern World Challenges. Wydawnictwo LIBRON, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.