Knauthe, H. E. (1967). Financing of Nationally-owned Industries in the GDR. The Institute of National Planning.
Chicago-viite (17. p.)Knauthe, Habil Erhart. Financing of Nationally-owned Industries in the GDR. Cairo: The Institute of National Planning, 1967.
MLA-viite (9. p.)Knauthe, Habil Erhart. Financing of Nationally-owned Industries in the GDR. The Institute of National Planning, 1967.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.