Speight. Economics And Industrial Efficiency An Introduction To Managerial Economics Speight. Macmillan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpeight. Economics And Industrial Efficiency An Introduction To Managerial Economics Speight. Macmillan.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpeight. Economics And Industrial Efficiency An Introduction To Managerial Economics Speight. Macmillan.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.