Gaya APA

Putong, I., Agus, S. (2009). World Heritage Nature Dan Culture Under The Protection Of Unesco (eropa Barat) Vol. 5 (-). Jakarta: Batara Publishing.

Gaya MLA

Putong, Iskandar., Agus, Santosa. "World Heritage Nature Dan Culture Under The Protection Of Unesco (eropa Barat) Vol. 5". - Jakarta: Batara Publishing, 2009. Text.