APA استشهاد

Abdul Kalam, A., & Sadasivan, M. (2007). Ajayyamaya aatmachaithanyam = Indomitable spirit (2nd ed.). D C Books.

استشهاد بنمط شيكاغو

Abdul Kalam, A.P.J, و M.P Sadasivan. Ajayyamaya Aatmachaithanyam = Indomitable Spirit. 2nd ed. Kottayam: D C Books, 2007.

MLA استشهاد

Abdul Kalam, A.P.J, و M.P Sadasivan. Ajayyamaya Aatmachaithanyam = Indomitable Spirit. 2nd ed. D C Books, 2007.