Citazione Stile APA (7a Edizione)
Albert, M., & Ringbeck, B. (2015). 40 Years World Heritage Convention: Popularizing the Protection of Cultural and Natural Heritage. De Gruyter.
Citazione stile Chigago Style (17a edizione)
Albert, Marie-Theres, e Birgitta Ringbeck. 40 Years World Heritage Convention: Popularizing the Protection of Cultural and Natural Heritage. Berlin/Boston: De Gruyter, 2015.
Citatione MLA (9a ed.)
Albert, Marie-Theres, e Birgitta Ringbeck. 40 Years World Heritage Convention: Popularizing the Protection of Cultural and Natural Heritage. De Gruyter, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.