Columbia subject headings:
Foreign trade regulation--Trinidad and Tobago--Periodicals.
Trinidad and Tobago--Commerce--Periodicals.
Trinidad and Tobago--Commercial policy--Periodicals.
Harvard subject headings:
Foreign trade regulation--Trinidad and Tobago--Periodicals.
Trinidad and Tobago--Commerce--Periodicals.
Trinidad and Tobago--Commercial policy--Periodicals.
Princeton subject headings:
Foreign trade regulation--Trinidad and Tobago--Periodicals.
Periodicals.
Trinidad and Tobago--Commerce--Periodicals.
Trinidad and Tobago--Commercial policy--Periodicals.