(1973). Volunteers: How to find, train, and utilize volunteers / by Clara L. Collette.
芝加哥风格引文Volunteers: How to Find, Train, and Utilize Volunteers / by Clara L. Collette. 1973.
MLA引文Volunteers: How to Find, Train, and Utilize Volunteers / by Clara L. Collette. 1973.
警告：这些引文格式不一定是100％准确.