Schwank, B. (2014). Lesbos, Sigri, Versteinerter Wald, Einzelstück mit Jahresringen: = Lesbos, Sigri, Petrified Forest, single piece with growth rings. Images of the Biblical world online.
Citazione stile Chigago Style (17a edizione)Schwank, Benedikt. "Lesbos, Sigri, Versteinerter Wald, Einzelstück Mit Jahresringen: = Lesbos, Sigri, Petrified Forest, Single Piece with Growth Rings." Images of the Biblical World Online 2014.
Citatione MLA (9a ed.)Schwank, Benedikt. "Lesbos, Sigri, Versteinerter Wald, Einzelstück Mit Jahresringen: = Lesbos, Sigri, Petrified Forest, Single Piece with Growth Rings." Images of the Biblical World Online, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
