APA ציטוט

(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.

ציטוט MLA

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