Link, M. (1980). Breakaway: Twenty - eight steps to a more reflective life. Argus communications.
Lua i Stíl Chicago (17ú heag.)Link, Mark. Breakaway: Twenty - Eight Steps to a More Reflective Life. Texas: Argus communications, 1980.
Lua MLA (9ú heag.)Link, Mark. Breakaway: Twenty - Eight Steps to a More Reflective Life. Argus communications, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.