Stiller, E. (1971). System of Manpower Planning on the Enterprise Level. The Institute of National Planning.
Cytowanie według stylu Chicago (wyd. 17)Stiller, E. System of Manpower Planning on the Enterprise Level. Cairo: The Institute of National Planning, 1971.
Cytowanie według stylu MLA (wyd. 9)Stiller, E. System of Manpower Planning on the Enterprise Level. The Institute of National Planning, 1971.