Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.