Παραπομπή APA

Abdul Kalam, A. P. J. (2012). Turning points: A journey through challenges. HarperCollins Publishers India.

Παραπομπή Chicago Style

Abdul Kalam, A P J. Turning Points: A Journey Through Challenges. New Delhi: HarperCollins Publishers India, 2012.

Παραπομπή MLA

Abdul Kalam, A P J. Turning Points: A Journey Through Challenges. HarperCollins Publishers India, 2012.