Clegg, B. (2001). Instant motivation: 79 cara instan menumbuhkan motivas/Brian Clegg, Paul Birch. Erlangga.
Dyfyniad Arddull ChicagoClegg, Brian. Instant Motivation: 79 Cara Instan Menumbuhkan Motivas/Brian Clegg, Paul Birch. Erlangga, 2001.
Dyfyniad MLAClegg, Brian. Instant Motivation: 79 Cara Instan Menumbuhkan Motivas/Brian Clegg, Paul Birch. Erlangga, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.