CAMPBELL ANDREW. (1997). CORE COMPETENCY - BASED STRATEGY. INTERNATIONAL THOMSON BUSINESS PRESS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCAMPBELL ANDREW. CORE COMPETENCY - BASED STRATEGY. LONDON: INTERNATIONAL THOMSON BUSINESS PRESS, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCAMPBELL ANDREW. CORE COMPETENCY - BASED STRATEGY. INTERNATIONAL THOMSON BUSINESS PRESS, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.