PFEIFFER W. (1996). THE ENCY OF GROUP ACTIVITIES. PIEIFFER & CO.
Citación estilo ChicagoPFEIFFER W. THE ENCY OF GROUP ACTIVITIES. AMSTERDAN: PIEIFFER & CO, 1996.
Cita MLAPFEIFFER W. THE ENCY OF GROUP ACTIVITIES. PIEIFFER & CO, 1996.
Warning: These citations may not always be 100% accurate.