O'Brien, D. P., & Swann, D. (1969). Information agreements, competition and efficiency. A.M. Kelley.
芝加哥风格引文O'Brien, D. P., 与 Dennis Swann. Information Agreements, Competition and Efficiency. New York: A.M. Kelley, 1969.
MLA引文O'Brien, D. P., 与 Dennis Swann. Information Agreements, Competition and Efficiency. A.M. Kelley, 1969.
警告：这些引文格式不一定是100％准确.