United States of America. Government Printing Office. How to do business with the GPO: A guide for contractors. United States Government Office.
Citação do estilo Chicago (17ª ed.)United States of America. Government Printing Office. How to Do Business with the GPO: A Guide for Contractors. Washington, D.C: United States Government Office.
Citação MLA (9ª ed.)United States of America. Government Printing Office. How to Do Business with the GPO: A Guide for Contractors. United States Government Office.
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