PARKINSON J R. (1992). HOW TO GET PEOPLE TO DO THINGS YOUR WAY. NTC BUSINESS BOOKS.
Lua i Stíl Chicago (17ú heag.)PARKINSON J R. HOW TO GET PEOPLE TO DO THINGS YOUR WAY. U S A: NTC BUSINESS BOOKS, 1992.
Lua MLA (9ú heag.)PARKINSON J R. HOW TO GET PEOPLE TO DO THINGS YOUR WAY. NTC BUSINESS BOOKS, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.