Citazione Stile APA (7a Edizione)
Więckowski, M. Natural Heritage as a Resource for Tourism Development in the Polish Carpathians.
Citazione stile Chigago Style (17a edizione)
Więckowski, Marek. Natural Heritage as a Resource for Tourism Development in the Polish Carpathians.
Citatione MLA (9a ed.)
Więckowski, Marek. Natural Heritage as a Resource for Tourism Development in the Polish Carpathians.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.