Schwank, B. (2014). Petra, Conway High Place, Scherbenhügel: = Petra, Conway High Place, Shard Hill. Images of the Biblical world online.
Citazione stile Chigago Style (17a edizione)Schwank, Benedikt. "Petra, Conway High Place, Scherbenhügel: = Petra, Conway High Place, Shard Hill." Images of the Biblical World Online 2014.
Citatione MLA (8a ed.)Schwank, Benedikt. "Petra, Conway High Place, Scherbenhügel: = Petra, Conway High Place, Shard Hill." Images of the Biblical World Online, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.