Srein, Z. (1976). Planning the Volume of Investment the Long-run Period. The Institute of National Planning.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Srein, Zdenek. Planning the Volume of Investment the Long-run Period. Cairo: The Institute of National Planning, 1976.
MLA -ийн эшлэл (9 дэх хэвлэлт)Srein, Zdenek. Planning the Volume of Investment the Long-run Period. The Institute of National Planning, 1976.