S P Sharma. (2002). Success through positive thinking is half full better or half empty. Pustak Mahal.
Čikaški stil citiranjaS P Sharma. Success Through Positive Thinking Is Half Full Better or Half Empty. Delhi: Pustak Mahal, 2002.
MLA način citiranjaS P Sharma. Success Through Positive Thinking Is Half Full Better or Half Empty. Pustak Mahal, 2002.
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