APA (7e ed.) Bronvermelding

Vondracek, F., Ford, D., & Porfeli, E. (2014). A Living Systems Theory of Vocational Behavior and Development. Brill.

Chicago (17e ed.) Bronvermelding

Vondracek, Fred, Donald Ford, en Erik Porfeli. A Living Systems Theory of Vocational Behavior and Development. Brill, 2014.

MLA (9e ed.) Bronvermelding

Vondracek, Fred, et al. A Living Systems Theory of Vocational Behavior and Development. Brill, 2014.