Laurel, S. H. (1969). Laurel report on penal reforms: The state of Philippine penal institutions and penology. s.n.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLaurel, Salvador H. Laurel Report on Penal Reforms: The State of Philippine Penal Institutions and Penology. [Manila: s.n.], 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLaurel, Salvador H. Laurel Report on Penal Reforms: The State of Philippine Penal Institutions and Penology. s.n.], 1969.
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