Abdul Kalam, A. (2014). Turning Points. HarperCollins.
Lua i Stíl Chicago (17ú heag.)Abdul Kalam, A.P.J. Turning Points. Noida: HarperCollins, 2014.
Lua MLA (9ú heag.)Abdul Kalam, A.P.J. Turning Points. HarperCollins, 2014.
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