A.P.J. Abdul Kalam. (2015). Indomitable Spirit (2010.). Rajpal Books.
Cita Chicago (17th ed.)A.P.J. Abdul Kalam. Indomitable Spirit. 2010. Rajpal Books, 2015.
Cita MLA (9th ed.)A.P.J. Abdul Kalam. Indomitable Spirit. 2010. Rajpal Books, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.