Barrett, J., & Williams, G. (1981). Test your own job aptitude: Exploring your career potential. Penguin.
Chicago (17e ed.) BronvermeldingBarrett, James, en Geoffrey Williams. Test Your Own Job Aptitude: Exploring Your Career Potential. New York: Penguin, 1981.
MLA (9e ed.) BronvermeldingBarrett, James, en Geoffrey Williams. Test Your Own Job Aptitude: Exploring Your Career Potential. Penguin, 1981.
Let op: Deze citaties zijn niet altijd 100% accuraat.