Ople, B. F. Proposals for further development: Manpower planning ; vocational and career guidance. s.n.].
Chicago-Zitierstil (17. Ausg.)Ople, Blas F. Proposals for Further Development: Manpower Planning ; Vocational and Career Guidance. [S.l: s.n.].
MLA-Zitierstil (9. Ausg.)Ople, Blas F. Proposals for Further Development: Manpower Planning ; Vocational and Career Guidance. s.n.].
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.