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