Abdul Kalam, A. P. J., & Rajan, Y. S. (1998). India 2020: A vision for the new millennium. Viking.
Chicago Style aipamenaAbdul Kalam, A. P. J., and Y. S. Rajan. India 2020: A Vision for the New Millennium. New Delhi: Viking, 1998.
MLA aipamenaAbdul Kalam, A. P. J., and Y. S. Rajan. India 2020: A Vision for the New Millennium. Viking, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.