(2006). Theoretical and practical aspects of competitiveness. Print Group Daniel Krzanowski.
Citazione stile Chigago Style (17a edizione)Theoretical and Practical Aspects of Competitiveness. Szczecin: Print Group Daniel Krzanowski, 2006.
Citatione MLA (9a ed.)Theoretical and Practical Aspects of Competitiveness. Print Group Daniel Krzanowski, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.