Smart, B. D. (2003). Topgrading: How leading companies win by hiring, coaching and keeping the best people. Viva Books Private Limited.
Lua i Stíl Chicago (17ú heag.)Smart, Bradford D. Topgrading: How Leading Companies Win by Hiring, Coaching and Keeping the Best People. New Delhi: Viva Books Private Limited, 2003.
Lua MLA (8ú heag.)Smart, Bradford D. Topgrading: How Leading Companies Win by Hiring, Coaching and Keeping the Best People. Viva Books Private Limited, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.