APA (7 वां संस्करण) प्रशस्ति पत्र

Não informado. (2000). Global Environmental Research. Association of International Research Initiatives for Environmental Studies.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Não informado. Global Environmental Research. Tokyo: Association of International Research Initiatives for Environmental Studies, 2000.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Não informado. Global Environmental Research. Association of International Research Initiatives for Environmental Studies, 2000.

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