COVEY STEPHEN R. THE 7 HABITS OF HIGHLY EFFECTIVE PEOPLE.
Lua i Stíl Chicago (17ú heag.)COVEY STEPHEN R. THE 7 HABITS OF HIGHLY EFFECTIVE PEOPLE.
Lua MLA (9ú heag.)COVEY STEPHEN R. THE 7 HABITS OF HIGHLY EFFECTIVE PEOPLE.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.