Knauthe, h. E. (1967). Credit Planning and state Supervision Function of Banks in the GDR. The Institute of National Planning.
Cytowanie według stylu Chicago (wyd. 17)Knauthe, habil Erhart. Credit Planning and State Supervision Function of Banks in the GDR. Cairo: The Institute of National Planning, 1967.
Cytowanie według stylu MLA (wyd. 9)Knauthe, habil Erhart. Credit Planning and State Supervision Function of Banks in the GDR. The Institute of National Planning, 1967.