ebrary, Inc, Engestrom, Y., & Kerosuo, H. (2007). Activity theory and workplace learning. Emerald Group Publishing.
芝加哥风格引文ebrary, Inc, Yrjo Engestrom, 与 Hannele Kerosuo. Activity Theory and Workplace Learning. Bradford, England: Emerald Group Publishing, 2007.
MLA引文ebrary, Inc, et al. Activity Theory and Workplace Learning. Emerald Group Publishing, 2007.
警告：这些引文格式不一定是100％准确.