YOFFIE DAVID B. (1993). BEYOND FREE TRADE: FIRMS GOVTS. GLOBAL COMPETITION. HARVARD BUSINESS REVIEW SCHOOL.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYOFFIE DAVID B. BEYOND FREE TRADE: FIRMS GOVTS. GLOBAL COMPETITION. BOSTON: HARVARD BUSINESS REVIEW SCHOOL, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रYOFFIE DAVID B. BEYOND FREE TRADE: FIRMS GOVTS. GLOBAL COMPETITION. HARVARD BUSINESS REVIEW SCHOOL, 1993.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.