Bard, R. (1987). The trainer's professional development handbook. Jossey - Bass.
芝加哥风格引文Bard, Ray. The Trainer's Professional Development Handbook. san Fransisco: Jossey - Bass, 1987.
MLA引文Bard, Ray. The Trainer's Professional Development Handbook. Jossey - Bass, 1987.
警告：这些引文格式不一定是100％准确.