Παραπομπή APA

Koepke, C. A. (1961). Plant production control/3e (3rd ed.). John wiley & Sons.

Παραπομπή Chicago Style

Koepke, Charles A. Plant Production Control/3e. 3rd ed. New York: John wiley & Sons, 1961.

Παραπομπή MLA

Koepke, Charles A. Plant Production Control/3e. 3rd ed. John wiley & Sons, 1961.