Srein, Z. (1976). Planning the Volume of Investment the Long-run Period. The Institute of National Planning.
Citace podle Chicago (17th ed.)Srein, Zdenek. Planning the Volume of Investment the Long-run Period. Cairo: The Institute of National Planning, 1976.
Citace podle MLA (9th ed.)Srein, Zdenek. Planning the Volume of Investment the Long-run Period. The Institute of National Planning, 1976.