Gaya APA

World Heritage Nature & Culture Under The Protection of UNESCO : Amerika Utara, Amerika, Amerika Tengah & Ocenia ( Vol. 9 ). (2009). : Batara Publishing.

Gaya MLA

World Heritage Nature & Culture Under The Protection of UNESCO : Amerika Utara, Amerika, Amerika Tengah & Ocenia ( Vol. 9 ). . : Batara Publishing, 2009. Text.