APA (7e ed.) Bronvermelding

(1950). Position classification handbook for supervisors and employees of the naval establishment. s.n.

Chicago (17e ed.) Bronvermelding

Position Classification Handbook for Supervisors and Employees of the Naval Establishment. Washington: s.n, 1950.

MLA (9e ed.) Bronvermelding

Position Classification Handbook for Supervisors and Employees of the Naval Establishment. s.n, 1950.