Charles Handy / Robert Heller ; alih bahasa Damos Sihombing ; editor Ratri Medya, Yati Sumiharti Heller, Robert Sihombing,Damos Medya, Ratri Sumiharti, Yati text Jakarta Esensi 2008 ind hlm 109 Charles Handy URN:ISBN:978-979-033-249-2