Srein, Z. (1976). Planning the Volume of Investment the Long-run Period. The Institute of National Planning.
Citazione stile Chigago Style (17a edizione)Srein, Zdenek. Planning the Volume of Investment the Long-run Period. Cairo: The Institute of National Planning, 1976.
Citatione MLA (9a ed.)Srein, Zdenek. Planning the Volume of Investment the Long-run Period. The Institute of National Planning, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.