Columbia subject headings:
Business enterprises--United States.
Costs, Industrial.
Industrial laws and legislation--United States.
Industrial laws and legislation.
Trade regulation--United States.
Trade regulation.
Harvard subject headings:
Business enterprises--Law and legislation--United States
Business enterprises--United States
Costs, Industrial.
Industrial laws and legislation--United States.
Industrial laws and legislation.
Trade regulation--United States
Trade regulation.
Princeton subject headings:
Business enterprises--United States.
Costs, Industrial.
Industrial laws and legislation--United States.
Industrial laws and legislation.
Trade regulation--United States.
Trade regulation.