Douglas, M. R. (1995). How to win with high self-esteem. UBS.
Dyfyniad Arddull ChicagoDouglas, Mark R. How to Win with High Self-esteem. UBS, 1995.
Dyfyniad MLADouglas, Mark R. How to Win with High Self-esteem. UBS, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.