Columbia subject headings:
China--Commerce--East Asia.
China--Commerce--Europe, Eastern.
China--Commerce--United States.
East Asia--Commerce--China.
Europe, Eastern--Commerce--United States.
United States--Commerce--China.
Harvard subject headings:
China--Commerce--East Asia.
China--Commerce--Europe, Eastern.
China--Commerce--United States.
East Asia--Commerce--China.
Europe, Eastern--Commerce--United States.
United States--Commerce--China.
Princeton subject headings:
China--Commerce--East Asia.
China--Commerce--Europe, Eastern.
China--Commerce--United States.
East Asia--Commerce--China.
Europe, Eastern--Commerce--United States.
United States--Commerce--China.