APA (7 वां संस्करण) प्रशस्ति पत्र

Abregana,Betty. (1996). Legal challenges for local management of marine resources: A Philippine case study. Environment and Resource Management Project (ERMP).

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Abregana,Betty. Legal Challenges for Local Management of Marine Resources: A Philippine Case Study. Laguna: Environment and Resource Management Project (ERMP), 1996.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Abregana,Betty. Legal Challenges for Local Management of Marine Resources: A Philippine Case Study. Environment and Resource Management Project (ERMP), 1996.

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