BERNE ERIC. (1996). GAMES PEOPLE PLAY. BALLANTINE BOOKS.
Dyfyniad Arddull ChicagoBERNE ERIC. GAMES PEOPLE PLAY. NEW YORK: BALLANTINE BOOKS, 1996.
Dyfyniad MLABERNE ERIC. GAMES PEOPLE PLAY. BALLANTINE BOOKS, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.