Great Britain. Indian Political Intelligence, British Library. Oriental and India Office Collections, & Farrington, A. (2000). Indian Political Intelligence (IPI) files, 1912-1950. IDC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGreat Britain. Indian Political Intelligence, British Library. Oriental and India Office Collections, और Anthony Farrington. Indian Political Intelligence (IPI) Files, 1912-1950. Leiden, The Netherlands: IDC, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGreat Britain. Indian Political Intelligence, et al. Indian Political Intelligence (IPI) Files, 1912-1950. IDC, 2000.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.