APA (7 वां संस्करण) प्रशस्ति पत्र

Payoyo, P. B. (1991). Philippine marine resources policy in the exclusive economic zone. Institute of International Legal Studies, Law Center.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Payoyo, Peter B. Philippine Marine Resources Policy in the Exclusive Economic Zone. Quezon City: Institute of International Legal Studies, Law Center, 1991.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Payoyo, Peter B. Philippine Marine Resources Policy in the Exclusive Economic Zone. Institute of International Legal Studies, Law Center, 1991.

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