Smart, B. D. (2003). Topgrading: How leading companies win by hiring, coaching and keeping the best people. Viva Books Private Limited.
Dyfyniad Arddull ChicagoSmart, Bradford D. Topgrading: How Leading Companies Win by Hiring, Coaching and Keeping the Best People. New Delhi: Viva Books Private Limited, 2003.
Dyfyniad MLASmart, Bradford D. Topgrading: How Leading Companies Win by Hiring, Coaching and Keeping the Best People. Viva Books Private Limited, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.