APA (7 वां संस्करण) प्रशस्ति पत्र

Le Ngoc Sen. (1981). Field stidues of effective rainfall for lowland rice [microform]. Photoduplication Service. University of the Philippines Library.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Le Ngoc Sen. Field Stidues of Effective Rainfall for Lowland Rice [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1981.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Le Ngoc Sen. Field Stidues of Effective Rainfall for Lowland Rice [microform]. Photoduplication Service. University of the Philippines Library, 1981.

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