SETHI SUBHASH C. (2003). TWENTY FIVE MINUTES TO ENHANCE YOUR ATTITUDE MANAGEMENT. INDIANA BOOKS.
Chicago Style (17. basım) AtıfSETHI SUBHASH C. TWENTY FIVE MINUTES TO ENHANCE YOUR ATTITUDE MANAGEMENT. NEW DELHI: INDIANA BOOKS, 2003.
MLA (9th ed.) AtıfSETHI SUBHASH C. TWENTY FIVE MINUTES TO ENHANCE YOUR ATTITUDE MANAGEMENT. INDIANA BOOKS, 2003.
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