APA (7e ed.) Bronvermelding

Killian, R. A. (1966). Managers must lead!: A supervisor's roadmap to advancement. American Management Association.

Chicago (17e ed.) Bronvermelding

Killian, Ray A. Managers Must Lead!: A Supervisor's Roadmap to Advancement. [New York]: American Management Association, 1966.

MLA (9e ed.) Bronvermelding

Killian, Ray A. Managers Must Lead!: A Supervisor's Roadmap to Advancement. American Management Association, 1966.