Lal, R. (1992). Beyond the last blue mountain: A life of J.R.D. Tata. Penguin books.
Chicago Style aipamenaLal, R.M. Beyond the Last Blue Mountain: A Life of J.R.D. Tata. New Delhi: Penguin books, 1992.
MLA aipamenaLal, R.M. Beyond the Last Blue Mountain: A Life of J.R.D. Tata. Penguin books, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.