Parker, M. (2008). Who said so?: The questions revolutionary businesses ask that make them successful. John Wiley & Sons.
Trích dẫn kiểu ChicagoParker, Michael. Who Said So?: The Questions Revolutionary Businesses Ask That Make Them Successful. John Wiley & Sons, 2008.
ציטוט MLAParker, Michael. Who Said So?: The Questions Revolutionary Businesses Ask That Make Them Successful. John Wiley & Sons, 2008.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.