Gaya APA

Perwito, . (2009). World haritage nature & culture under the protection of unesco amerika utara & maerika tengah & Oceania [Referensi] (Vol.9.--). Jakarta : Batara.

Gaya MLA

Perwito, . "World haritage nature & culture under the protection of unesco amerika utara & maerika tengah & Oceania [Referensi]". Vol.9.-- Jakarta : Batara, 2009. Buku.