Institute for Agribusiness Development and Policy. (1989). Green pages. Green Leaf Pub. Corp.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInstitute for Agribusiness Development and Policy. Green Pages. Manila: Green Leaf Pub. Corp, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInstitute for Agribusiness Development and Policy. Green Pages. Green Leaf Pub. Corp, 1989.
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