Barker, P. (1999). Techniques of archaeological excavation (3rd ed.). Routledge.
Citazione stile Chigago Style (17a edizione)Barker, Philip. Techniques of Archaeological Excavation. 3rd ed. London: Routledge, 1999.
Citatione MLA (9a ed.)Barker, Philip. Techniques of Archaeological Excavation. 3rd ed. Routledge, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.