Gaya APA

Santosa, A. (2009). World heritage nature & culture : Under the protection of UNESCO = Eropa Utara (6th vol.). Jakarta: Batara Publishing.

Gaya MLA

Santosa, Agus. "World heritage nature & culture : Under the protection of UNESCO = Eropa Utara". 6th vol. Jakarta: Batara Publishing, 2009. Encyclopaedia.