APA (7th ed.) Zitazioa
Albert, M., & Ringbeck, B. (2015). 40 years World Heritage Convention: Popularizing the protection of cultural and natural heritage. De Gruyter.
Chicago Style (17th ed.) Zitazioa
Albert, Marie-Theres, eta Birgitta Ringbeck. 40 Years World Heritage Convention: Popularizing the Protection of Cultural and Natural Heritage. Berlin, [Germany] ; Boston, [Massachusetts]: De Gruyter, 2015.
MLA (9th ed.) Zitazioa
Albert, Marie-Theres, eta Birgitta Ringbeck. 40 Years World Heritage Convention: Popularizing the Protection of Cultural and Natural Heritage. De Gruyter, 2015.
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