Hultkrantz, Å. (1986). Rock Drawings as Evidence of Religion: Some Principal Points of View. Words and objects, 43-66.
Παραπομπή σε μορφή Chicago (17η εκδ.)Hultkrantz, Åke. "Rock Drawings as Evidence of Religion: Some Principal Points of View." Words and Objects 1986: 43-66.
Παραπομπή σε μορφή MLA (9th εκδ.)Hultkrantz, Åke. "Rock Drawings as Evidence of Religion: Some Principal Points of View." Words and Objects, 1986, pp. 43-66.
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