Παραπομπή APA

Biegel, J. E. (1980). Production control: :a quatitative approach. PHI.

Παραπομπή Chicago Style

Biegel, John E. Production Control: :a Quatitative Approach. New Delhi: PHI, 1980.

Παραπομπή MLA

Biegel, John E. Production Control: :a Quatitative Approach. PHI, 1980.