Vas, L. (2003). Nine roads to success at work and in life. English Edition.
Citazione stile Chigago Style (17a edizione)Vas, Luis. Nine Roads to Success at Work and in Life. Mumbai: English Edition, 2003.
Citatione MLA (9a ed.)Vas, Luis. Nine Roads to Success at Work and in Life. English Edition, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.