HAYES III SAMUEL L. (1990). INVESTING BANKING. HARVARD BUSINESS REVIEW SCHOOL.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHAYES III SAMUEL L. INVESTING BANKING. BOSTON: HARVARD BUSINESS REVIEW SCHOOL, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHAYES III SAMUEL L. INVESTING BANKING. HARVARD BUSINESS REVIEW SCHOOL, 1990.
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