Salopek, Paul (October 2, 2017). "The Ruby Sellers of Vrang". National Geographic Magazine. Archived from the original on March 8, 2021. Retrieved March 7, 2021.
Pangguyangan // Dinas Pariwisata dan Budaya Provinsi Jawa Barat. Архивиран от оригинала на 2019-12-24. Посетен на 2022-01-26. (на индонезийски)
Salopek, Paul (October 2, 2017). "The Ruby Sellers of Vrang". National Geographic Magazine. Archived from the original on March 8, 2021. Retrieved March 7, 2021.
Salopek, Paul (July 14, 2015). "ブァン仏教遺跡と熊山遺跡の比較検討"(PDF). National Geographic Magazine. Archived(PDF) from the original on June 15, 2021. Retrieved March 7, 2021.
Salopek, Paul (July 14, 2015). "ブァン仏教遺跡と熊山遺跡の比較検討"(PDF). National Geographic Magazine. Archived(PDF) from the original on June 15, 2021. Retrieved March 7, 2021.