Tubman, W. (1957). Liberian code of laws of 1956. Cornell university press..
芝加哥风格引文Tubman, W. Liberian Code of Laws of 1956. New york: Cornell university press., 1957.
MLA引文Tubman, W. Liberian Code of Laws of 1956. Cornell university press., 1957.
警告：这些引文格式不一定是100％准确.