Gaya APA
Santosa, A. (2009).
World Heritage, Nature & Culture Under The Protection Of UNESCO = Volume 7 : Eropa Timur .
Surakarta:
Batara Publishing.
Gaya MLA
Santosa, Agus.
"World Heritage, Nature & Culture Under The Protection Of UNESCO = Volume 7 : Eropa Timur".
Surakarta:
Batara Publishing,
2009.
Text.