Robert P. Vichas. (1983). New encyclopedia dictionary of systems and procedures. National Book Store.
Style de citation Chicago (17e éd.)Robert P. Vichas. New Encyclopedia Dictionary of Systems and Procedures. Manila: National Book Store, 1983.
Style de citation MLA (9e éd.)Robert P. Vichas. New Encyclopedia Dictionary of Systems and Procedures. National Book Store, 1983.
Attention : ces citations peuvent ne pas être correctes à 100%.