Roskams, S. (2010). Excavation. U.pr..
Chicago Style (17th ed.) CitationRoskams, Steve. Excavation. Cambridge: U.pr., 2010.
MLA (9th ed.) CitationRoskams, Steve. Excavation. U.pr., 2010.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
Roskams, S. (2010). Excavation. U.pr..
Chicago Style (17th ed.) CitationRoskams, Steve. Excavation. Cambridge: U.pr., 2010.
MLA (9th ed.) CitationRoskams, Steve. Excavation. U.pr., 2010.