Valley Research Group. (2005). Report on evaluation of the FCHV refresher raining.
芝加哥风格引文Valley Research Group. Report on Evaluation of the FCHV Refresher Raining. 2005.
MLA引文Valley Research Group. Report on Evaluation of the FCHV Refresher Raining. 2005.
警告：这些引文格式不一定是100％准确.