Srein, Z. (1976). Planning the Volume of Investment the Long-run Period. The Institute of National Planning.
Cytowanie według stylu Chicago (wyd. 17)Srein, Zdenek. Planning the Volume of Investment the Long-run Period. Cairo: The Institute of National Planning, 1976.
Cytowanie według stylu MLA (wyd. 9)Srein, Zdenek. Planning the Volume of Investment the Long-run Period. The Institute of National Planning, 1976.