Knauthe, H. E. (1967). Financing of Nationally-owned Industries in the GDR. The Institute of National Planning.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিKnauthe, Habil Erhart. Financing of Nationally-owned Industries in the GDR. Cairo: The Institute of National Planning, 1967.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিKnauthe, Habil Erhart. Financing of Nationally-owned Industries in the GDR. The Institute of National Planning, 1967.