ebrary, Inc, Gallman, R. E., & Wallis, J. J. (1992). American economic growth and standards of living before the Civil War. University of Chicago Press.
Chicago Style (17th ed.) Citationebrary, Inc, Robert E. Gallman, and John Joseph Wallis. American Economic Growth and Standards of Living Before the Civil War. Chicago: University of Chicago Press, 1992.
MLA引文ebrary, Inc, et al. American Economic Growth and Standards of Living Before the Civil War. University of Chicago Press, 1992.
警告:這些引文格式不一定是100%准確.