Joining together group theory and group skills

Xehetasun bibliografikoak
Egile nagusia:	Johnson, David W.
Beste egile batzuk:	Johnson, Frank P.
Formatua:	Liburua
Argitaratua:	New Jersey Prentice-Hall 1991.
Edizioa:	4th ed.
Gaiak:	Social group. Leadership. Group relations training.