APA (7 वां संस्करण) प्रशस्ति पत्र

Austria, B. S. (1976). Status of minerals in the Philippine future: A preliminary report. Population Resources Environment and the Philippine Future].

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Austria, Benjamin S. Status of Minerals in the Philippine Future: A Preliminary Report. [Quezon City: Population Resources Environment and the Philippine Future], 1976.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Austria, Benjamin S. Status of Minerals in the Philippine Future: A Preliminary Report. Population Resources Environment and the Philippine Future], 1976.

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