Bard, R. (1987). The trainer's professional development handbook. Jossey - Bass.
Citación estilo ChicagoBard, Ray. The Trainer's Professional Development Handbook. san Fransisco: Jossey - Bass, 1987.
Cita MLABard, Ray. The Trainer's Professional Development Handbook. Jossey - Bass, 1987.
Warning: These citations may not always be 100% accurate.