.Zachariah, K. C. (1963). historical study of internal migation in the indian sub-continent, 1901-1931. Demographic training and research centre.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر).Zachariah, K. C. Historical Study of Internal Migation in the Indian Sub-continent, 1901-1931. Bombay: Demographic training and research centre, 1963.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع).Zachariah, K. C. Historical Study of Internal Migation in the Indian Sub-continent, 1901-1931. Demographic training and research centre, 1963.