APA引文

(1989). Air contaminants: Permissible exposure limits (Title 29 Code of federal regulations, part 1910.1000).

Chicago Style (17th ed.) Citation

Air Contaminants: Permissible Exposure Limits (Title 29 Code of Federal Regulations, Part 1910.1000). 1989.

MLA引文

Air Contaminants: Permissible Exposure Limits (Title 29 Code of Federal Regulations, Part 1910.1000). 1989.

警告：這些引文格式不一定是100％准確.