Gaya APA

Santosa, A. (2009). World Heritage Nature And Culture: Under The Protection Of UNESCO (Eropa Timur) (7). Surakarta: Batara Publishing.

Gaya MLA

Santosa, Agus. "World Heritage Nature And Culture: Under The Protection Of UNESCO (Eropa Timur)". 7 Surakarta: Batara Publishing, 2009. Text.