Παραπομπή APA

Gray, D. H. (1966). Manpower planning. An approach to the problem. Institute of personnel management.

Παραπομπή Chicago Style

Gray, Daniel H. Manpower Planning. An Approach to the Problem. London: Institute of personnel management, 1966.

Παραπομπή MLA

Gray, Daniel H. Manpower Planning. An Approach to the Problem. Institute of personnel management, 1966.