APA

Koepke C. A., . (1949). Plant production control. New York: J. Wiley.

Chicago

Koepke Charles Augustus, . 1949. Plant production control. New York: J. Wiley.

Harvard

Koepke C. A., . (1949). Plant production control. New York: J. Wiley.

MLA

Koepke Charles Augustus, . Plant production control. New York: J. Wiley. 1949.