Pettersson, R. (2013). Predecessors & pioneers. Institute for Infology.
Lua i Stíl Chicago (17ú heag.)Pettersson, Rune. Predecessors & Pioneers. Tullinge: Institute for Infology, 2013.
Lua MLA (9ú heag.)Pettersson, Rune. Predecessors & Pioneers. Institute for Infology, 2013.
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