United States Government Printing Office, Style Board. (1968). Word Division. Supplement to Government Printing Office Style Manual (7. Aufl.).
Chicago-Zitierstil (17. Ausg.)United States Government Printing Office, Style Board. Word Division. Supplement to Government Printing Office Style Manual. 7. Aufl. Washington, 1968.
MLA-Zitierstil (8. Ausg.)United States Government Printing Office, Style Board. Word Division. Supplement to Government Printing Office Style Manual. 7. Aufl. 1968.
警告：這些引文格式不一定是100％准確.