Crystler, J., & Newton, K. (1984). Situation analysis workbook. Hotel Sales Management Association International Foundation.
芝加哥风格引文Crystler, Julia, 与 Karen Newton. Situation Analysis Workbook. Washington, D.C: Hotel Sales Management Association International Foundation, 1984.
MLA引文Crystler, Julia, 与 Karen Newton. Situation Analysis Workbook. Hotel Sales Management Association International Foundation, 1984.
警告：这些引文格式不一定是100％准确.