TACK ALFRED. (1986). HIGH QUALITY MANAGER. GOWER.
Lua i Stíl Chicago (17ú heag.)TACK ALFRED. HIGH QUALITY MANAGER. ENGLAND: GOWER, 1986.
Lua MLA (9ú heag.)TACK ALFRED. HIGH QUALITY MANAGER. GOWER, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.