HARRIS HERBERT. (2000). TWELVE UNIVERSAL LAWS OF SUCCESS. MASTER MIND BOOKS.
Cita Chicago Style (17a ed.)HARRIS HERBERT. TWELVE UNIVERSAL LAWS OF SUCCESS. BANGALORE: MASTER MIND BOOKS, 2000.
Cita MLA (9a ed.)HARRIS HERBERT. TWELVE UNIVERSAL LAWS OF SUCCESS. MASTER MIND BOOKS, 2000.
Precaución: Estas citas no son 100% exactas.