Nik Abdullah, N. A. I. (2013). Intellectual capital disclosure: Annual report and website / Nik Anis Idayu Nik Abdullah.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNik Abdullah, Nik Anis Idayu. Intellectual Capital Disclosure: Annual Report and Website / Nik Anis Idayu Nik Abdullah. 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNik Abdullah, Nik Anis Idayu. Intellectual Capital Disclosure: Annual Report and Website / Nik Anis Idayu Nik Abdullah. 2013.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.