S P Sharma. (2002). Success through positive thinking is half full better or half empty. Pustak Mahal.
Chicago Edition CitationS P Sharma. Success Through Positive Thinking Is Half Full Better or Half Empty. Delhi: Pustak Mahal, 2002.
Cita MLAS P Sharma. Success Through Positive Thinking Is Half Full Better or Half Empty. Pustak Mahal, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.