APA aipamena

Avul Pakir Jainulabdeen Abdul Kalam. (1998). India 2020: A vision for the New Millennium. New Delhi, India: Penguin Books.

Chicago Style aipamena

Avul Pakir Jainulabdeen Abdul Kalam. India 2020: A Vision for the New Millennium. New Delhi, India: Penguin Books, 1998.

MLA aipamena

Avul Pakir Jainulabdeen Abdul Kalam. India 2020: A Vision for the New Millennium. New Delhi, India: Penguin Books, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.