Columbia subject headings:
Commercial policy.
International business enterprises--Japan.
International business enterprises--United States.
Harvard subject headings:
International business enterprises
International trade
Intra-firm trade--Japan--Statistics.
Intra-firm trade--United States--Statistics.
Intra-firm trade.
Princeton subject headings:
International business enterprises.
International trade.
Intra-firm trade--Japan--Statistics.
Intra-firm trade--United States--Statistics.
Intra-firm trade.