Dyfyniad APA

(1978). United States government manual. Office of the federal register National archives and records service general service administration.

Dyfyniad Arddull Chicago

United States Government Manual. Washington: Office of the federal register National archives and records service general service administration, 1978.

Dyfyniad MLA

United States Government Manual. Office of the federal register National archives and records service general service administration, 1978.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.