U.S. Government Printing Office Style Manual:
act of Congress the Public Printer of the U.S. Government Printing Office
is authorized to determine the form and style of Government printing.
The Style Manual is the product of many years of public printing experience,
and its rules are based on principles of good usage and custom in the
printing trade. The Style Manual has served Federal printers since 1894,
and with this 29th edition, the traditions of printing and graphic arts
are carried forward into new technologies.
29th Edition, 2000 (Current)