ebrary, Inc, Townsend Gault, I., & Nicol, H. N. (2005). Holding the line: Borders in a global world. UBC Press.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, Ian Townsend Gault, agus Heather N. Nicol. Holding the Line: Borders in a Global World. Vancouver: UBC Press, 2005.
Lua MLA (9ú heag.)ebrary, Inc, et al. Holding the Line: Borders in a Global World. UBC Press, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.