How to do business with the GPO :
a guide for contractors.

APA Citation

United States. Government Printing Office. (1985). How to do business with the GPO: a guide for contractors. Washington, D.C.: U.S. G.P.O..

MLA Citation

United States. Government Printing Office. How to Do Business With the GPO: a Guide for Contractors. Washington, D.C.: U.S. G.P.O., 1985.

Warning: These citations may not always be complete (especially for serials).