Johnston, D. M. (1988). The theory and history of ocean boundary-making. McGill-Queen's University Press.
Lua i Stíl Chicago (17ú heag.)Johnston, Douglas M. The Theory and History of Ocean Boundary-making. Kingston: McGill-Queen's University Press, 1988.
Lua MLA (9ú heag.)Johnston, Douglas M. The Theory and History of Ocean Boundary-making. McGill-Queen's University Press, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.