APA استشهاد

Abdul Kalam, A. P. J. (2002). India 2020: A vision for the new millennium. Penguin.

استشهاد بنمط شيكاغو

Abdul Kalam, A. P. J. India 2020: A Vision for the New Millennium. New Delhi: Penguin, 2002.

MLA استشهاد

Abdul Kalam, A. P. J. India 2020: A Vision for the New Millennium. Penguin, 2002.