Παραπομπή APA

Walker, J. (1998). Stage two operational cost accounting knowledge. Vivabooks.

Παραπομπή Chicago Style

Walker, J. Stage Two Operational Cost Accounting Knowledge. New Delhi: Vivabooks, 1998.

Παραπομπή MLA

Walker, J. Stage Two Operational Cost Accounting Knowledge. Vivabooks, 1998.