Grebel, T. (2004). Entrepreneurship: A new perspective. Routledge.
芝加哥风格引文Grebel, Thomas. Entrepreneurship: A New Perspective. London ; New York: Routledge, 2004.
MLA引文Grebel, Thomas. Entrepreneurship: A New Perspective. Routledge, 2004.
警告：这些引文格式不一定是100％准确.