Lua APA (7ú heag.)

O'Keeffe, P. J. (1962). Economic aspects of road improvements in Ireland.

Lua i Stíl Chicago (17ú heag.)

O'Keeffe, Peter J. Economic Aspects of Road Improvements in Ireland. 1962.

Lua MLA (9ú heag.)

O'Keeffe, Peter J. Economic Aspects of Road Improvements in Ireland. 1962.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.