Riechel, R. (1989). Personnel needs and changing reference service. Library Professional Publications.
芝加哥风格引文Riechel, Rosemarie. Personnel Needs and Changing Reference Service. Hamden, Conn.: Library Professional Publications, 1989.
MLA引文Riechel, Rosemarie. Personnel Needs and Changing Reference Service. Library Professional Publications, 1989.
警告：这些引文格式不一定是100％准确.