Bertilsson, U. (1986). Rock Carvings and Graves: Spatial Relationships. Words and objects, 9-20.
Citazione stile Chigago Style (17a edizione)Bertilsson, Ulf. "Rock Carvings and Graves: Spatial Relationships." Words and Objects 1986: 9-20.
Citatione MLA (9a ed.)Bertilsson, Ulf. "Rock Carvings and Graves: Spatial Relationships." Words and Objects, 1986, pp. 9-20.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
