APA (7e ed.) Bronvermelding

Barrett, J., & Williams, G. (1981). Test your own job aptitude: Exploring your career potential. Penguin.

Chicago (17e ed.) Bronvermelding

Barrett, James, en Geoffrey Williams. Test Your Own Job Aptitude: Exploring Your Career Potential. New York: Penguin, 1981.

MLA (9e ed.) Bronvermelding

Barrett, James, en Geoffrey Williams. Test Your Own Job Aptitude: Exploring Your Career Potential. Penguin, 1981.