APA (7 वां संस्करण) प्रशस्ति पत्र

PSALM prequalifies 4 bidders for Malaya plant; sale moved to next year. IN Business News. Manila Bulletin.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"PSALM Prequalifies 4 Bidders for Malaya Plant; Sale Moved to Next Year. IN Business News." Manila Bulletin .

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"PSALM Prequalifies 4 Bidders for Malaya Plant; Sale Moved to Next Year. IN Business News." Manila Bulletin, .