Citazione Stile APA (7a Edizione)

Walker, F. R. (1952). Practical accounting and cost keeping for contractors; a treatise on modern business methods. F. R. Walker Co.

Citazione stile Chigago Style (17a edizione)

Walker, Frank Rabold. Practical Accounting and Cost Keeping for Contractors; a Treatise on Modern Business Methods. Chicago: F. R. Walker Co, 1952.

Citatione MLA (9a ed.)

Walker, Frank Rabold. Practical Accounting and Cost Keeping for Contractors; a Treatise on Modern Business Methods. F. R. Walker Co, 1952.