HELLER ROBERT. (1992). BUSINESS OF WINNING: HOW TO SUCCEED IN BUSINESS BY REALLY TRYING. RUPA & COMPANY.
Cita Chicago Style (17a ed.)HELLER ROBERT. BUSINESS OF WINNING: HOW TO SUCCEED IN BUSINESS BY REALLY TRYING. MUMBAI: RUPA & COMPANY, 1992.
Cita MLA (9a ed.)HELLER ROBERT. BUSINESS OF WINNING: HOW TO SUCCEED IN BUSINESS BY REALLY TRYING. RUPA & COMPANY, 1992.
Precaución: Estas citas no son 100% exactas.