APA (7 वां संस्करण) प्रशस्ति पत्र

Integrated Environmental Management for Sustainable Development Programme. (1998). Strategic environmental plan of Quezon province. IEMSDP.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Integrated Environmental Management for Sustainable Development Programme. Strategic Environmental Plan of Quezon Province. Quezon City: IEMSDP, 1998.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Integrated Environmental Management for Sustainable Development Programme. Strategic Environmental Plan of Quezon Province. IEMSDP, 1998.