MILLER, R. L. (1991). Economics Today Roger Leroy Miller. Harper Collin.
Lua i Stíl Chicago (17ú heag.)MILLER, Roger LeRoy. Economics Today Roger Leroy Miller. Harper Collin, 1991.
Lua MLA (8ú heag.)MILLER, Roger LeRoy. Economics Today Roger Leroy Miller. Harper Collin, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.