Chavez-Irwin, D. L. (1978). The secrets of service. Institute Press.
芝加哥风格引文Chavez-Irwin, Dixie Lee. The Secrets of Service. Los Angeles: Institute Press, 1978.
MLA引文Chavez-Irwin, Dixie Lee. The Secrets of Service. Institute Press, 1978.
警告：这些引文格式不一定是100％准确.