LAURENCE,T. (1980). HELPING YPURSELF WITH PSYCHOSYMBOLOGY. D B TARAPOREVALA.
Dyfyniad Arddull ChicagoLAURENCE,T. HELPING YPURSELF WITH PSYCHOSYMBOLOGY. BOMBAY: D B TARAPOREVALA, 1980.
Dyfyniad MLALAURENCE,T. HELPING YPURSELF WITH PSYCHOSYMBOLOGY. D B TARAPOREVALA, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.