MICHAEL, E. P. (1991). Michael E. Porter On Competition And Strategy. Harvard Business School Pess.
Chicago Style (17th ed.) CitationMICHAEL, E Porter. Michael E. Porter On Competition And Strategy. Harvard Business School Pess, 1991.
ציטוט MLAMICHAEL, E Porter. Michael E. Porter On Competition And Strategy. Harvard Business School Pess, 1991.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.