COUNCIL OF BETTER BUSINESS. (1985). HOW TO PROTECT YOUR BUSINESS. BENJAMIN IN ASSOCIATION WITH PRENTICE -HALL, INC.
Lua i Stíl Chicago (17ú heag.)COUNCIL OF BETTER BUSINESS. HOW TO PROTECT YOUR BUSINESS. NEW YORK: BENJAMIN IN ASSOCIATION WITH PRENTICE -HALL, INC, 1985.
Lua MLA (9ú heag.)COUNCIL OF BETTER BUSINESS. HOW TO PROTECT YOUR BUSINESS. BENJAMIN IN ASSOCIATION WITH PRENTICE -HALL, INC, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.