Barker, G. (1999). Companion encyclopedia of archaeology. Routledge.
Chicago Style (17th ed.) ZitazioaBarker, Graeme. Companion Encyclopedia of Archaeology. London: Routledge, 1999.
MLA (9th ed.) ZitazioaBarker, Graeme. Companion Encyclopedia of Archaeology. Routledge, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.