AUSTIN , B. (1989). MAKING EFFECTIVE USE OF EXECUTIVE TIME. STERLING PUB.
Lua i Stíl Chicago (17ú heag.)AUSTIN , BRUCE. MAKING EFFECTIVE USE OF EXECUTIVE TIME. STERLING PUB, 1989.
Lua MLA (9ú heag.)AUSTIN , BRUCE. MAKING EFFECTIVE USE OF EXECUTIVE TIME. STERLING PUB, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.