Pena, N. (1966). Philippine law on natural resources (2nd ed.). Pasicolan Book Service.
Chicago Style (17th ed.) CitationPena, Narciso. Philippine Law on Natural Resources. 2nd ed. Manila: Pasicolan Book Service, 1966.
MLA (9th ed.) CitationPena, Narciso. Philippine Law on Natural Resources. 2nd ed. Pasicolan Book Service, 1966.
Warning: These citations may not always be 100% accurate.