Laurel, S. H. (1969). Laurel report on penal reforms: The state of Philippine penal institutions and penology. s.n.].
芝加哥风格引文Laurel, Salvador H. Laurel Report on Penal Reforms: The State of Philippine Penal Institutions and Penology. [Manila: s.n.], 1969.
MLA引文Laurel, Salvador H. Laurel Report on Penal Reforms: The State of Philippine Penal Institutions and Penology. s.n.], 1969.
警告：这些引文格式不一定是100％准确.