APA (7e ed.) Bronvermelding

VAS LUIS S R. (2003). NINE ROADS TO SUCCESS AT WORK AND IN LIFE. ENGLISH EDITION.

Chicago (17e ed.) Bronvermelding

VAS LUIS S R. NINE ROADS TO SUCCESS AT WORK AND IN LIFE. MUMBAI: ENGLISH EDITION, 2003.

MLA (9e ed.) Bronvermelding

VAS LUIS S R. NINE ROADS TO SUCCESS AT WORK AND IN LIFE. ENGLISH EDITION, 2003.