University of Cambridge. Dept. of Applied Economics. (1964). Occasional papers. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)University of Cambridge. Dept. of Applied Economics. Occasional Papers. Cambridge, [England]: Cambridge University Press, 1964.
Lua MLA (8ú heag.)University of Cambridge. Dept. of Applied Economics. Occasional Papers. Cambridge University Press, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.