Lua APA (7ú heag.)
Halstead, P., & Levy, S. (2014). Two oxen ahead: Pre-mechanized farming in the Mediterranean. Wiley Blackwell.
Lua i Stíl Chicago (17ú heag.)
Halstead, Paul, agus Simon Levy. Two Oxen Ahead: Pre-mechanized Farming in the Mediterranean. Cambridge, England: Wiley Blackwell, 2014.
Lua MLA (9ú heag.)
Halstead, Paul, agus Simon Levy. Two Oxen Ahead: Pre-mechanized Farming in the Mediterranean. Wiley Blackwell, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.