Calvin, R. J. (2004). Entrepreneurial Management. Tata McGraw Hill Publishing Company.
芝加哥风格引文Calvin, Robert J. Entrepreneurial Management. New Delhi.-: Tata McGraw Hill Publishing Company, 2004.
MLA引文Calvin, Robert J. Entrepreneurial Management. Tata McGraw Hill Publishing Company, 2004.
警告：这些引文格式不一定是100％准确.