Srein, Z. (1976). Planning the Volume of Investment the Long-run Period. The Institute of National Planning.
Citação do estilo Chicago (17ª ed.)Srein, Zdenek. Planning the Volume of Investment the Long-run Period. Cairo: The Institute of National Planning, 1976.
Citação MLA (9ª ed.)Srein, Zdenek. Planning the Volume of Investment the Long-run Period. The Institute of National Planning, 1976.