VILJOEN, J. (1994). Strategic Management Planning And Implementing Succesful Corporate Strategies John Viljoen. Longman Business & Professiona.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVILJOEN, John. Strategic Management Planning And Implementing Succesful Corporate Strategies John Viljoen. Longman Business & Professiona, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVILJOEN, John. Strategic Management Planning And Implementing Succesful Corporate Strategies John Viljoen. Longman Business & Professiona, 1994.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.