Knauthe, H. E. (1967). Financing of Nationally-owned Industries in the GDR. The Institute of National Planning.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումKnauthe, Habil Erhart. Financing of Nationally-owned Industries in the GDR. Cairo: The Institute of National Planning, 1967.
MLA (9րդ խմբ.) ՄեջբերումKnauthe, Habil Erhart. Financing of Nationally-owned Industries in the GDR. The Institute of National Planning, 1967.