Knauthe, h. E. (1967). Credit Planning and state Supervision Function of Banks in the GDR. The Institute of National Planning.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումKnauthe, habil Erhart. Credit Planning and State Supervision Function of Banks in the GDR. Cairo: The Institute of National Planning, 1967.
MLA (9րդ խմբ.) ՄեջբերումKnauthe, habil Erhart. Credit Planning and State Supervision Function of Banks in the GDR. The Institute of National Planning, 1967.