Kalam, A. P. J. (2012). Turning points. Harper collins, Noida.
Chicago-čujuhus (17. p.)Kalam, A. P. J. Turning Points. Harper collins, Noida, 2012.
MLA-čujuhus (9. p.)Kalam, A. P. J. Turning Points. Harper collins, Noida, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.