Turvey, R. (1968). Public enterprise: Selected readings. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Turvey, R. Public Enterprise: Selected Readings. Harmondsworth: Penguin Books, 1968.
Lua MLA (9ú heag.)Turvey, R. Public Enterprise: Selected Readings. Penguin Books, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.